Check the following example, only capture in cell B3 the number of months and in D3 the number of column B = 2, C = 3, etc.
Put the formulas as indicated in each cell.
<table border="1" cellspacing="0" style="font-family:Calibri,Arial; font-size:11pt; background-color:#ffffff; "> <colgroup><col style="font-weight:bold; width:30px; " /><col style="width:86.5px;" /><col style="width:76.99px;" /><col style="width:89.35px;" /><col style="width:82.69px;" /><col style="width:95.05px;" /></colgroup><tr style="background-color:#cacaca; text-align:center; font-weight:bold; font-size:8pt; "><td > </td><td >A</td><td >B</td><td >C</td><td >D</td><td >E</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >1</td><td style="background-color:#ffff00; font-weight:bold; text-align:center; ">START DATE</td><td style="background-color:#ffff00; font-weight:bold; text-align:center; ">MONTHS</td><td style="background-color:#ffff00; font-weight:bold; text-align:center; ">SEARCH FOR</td><td style="background-color:#ffff00; font-weight:bold; text-align:center; ">COLUMN</td><td style="background-color:#ffff00; font-weight:bold; text-align:center; ">RESULT</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >2</td><td style="text-align:right; ">08/06/2019</td><td style="text-align:right; ">3</td><td style="background-color:#ffc000; text-align:right; ">08/09/2019</td><td style="text-align:right; ">3</td><td style="background-color:#00b0f0; text-align:right; ">77</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >3</td><td > </td><td > </td><td > </td><td > </td><td > </td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >4</td><td style="background-color:#92d050; font-weight:bold; text-align:center; ">DATE</td><td style="background-color:#92d050; font-weight:bold; text-align:center; ">VAL B</td><td style="background-color:#92d050; font-weight:bold; text-align:center; ">VAL C</td><td style="background-color:#92d050; font-weight:bold; text-align:center; ">VAL D</td><td style="background-color:#92d050; font-weight:bold; text-align:center; ">VAL E</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >5</td><td style="text-align:right; ">29/08/2019</td><td style="text-align:right; ">55</td><td style="text-align:right; ">42</td><td style="text-align:right; ">52</td><td style="text-align:right; ">25</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >6</td><td style="text-align:right; ">30/08/2019</td><td style="text-align:right; ">80</td><td style="text-align:right; ">86</td><td style="text-align:right; ">38</td><td style="text-align:right; ">74</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >7</td><td style="text-align:right; ">31/08/2019</td><td style="text-align:right; ">27</td><td style="text-align:right; ">80</td><td style="text-align:right; ">75</td><td style="text-align:right; ">86</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >8</td><td style="text-align:right; ">01/09/2019</td><td style="text-align:right; ">96</td><td style="text-align:right; ">40</td><td style="text-align:right; ">5</td><td style="text-align:right; ">37</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >9</td><td style="text-align:right; ">02/09/2019</td><td style="text-align:right; ">81</td><td style="text-align:right; ">10</td><td style="text-align:right; ">52</td><td style="text-align:right; ">85</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >10</td><td style="text-align:right; ">03/09/2019</td><td style="text-align:right; ">77</td><td style="text-align:right; ">42</td><td style="text-align:right; ">100</td><td style="text-align:right; ">55</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >11</td><td style="text-align:right; ">04/09/2019</td><td style="text-align:right; ">91</td><td style="text-align:right; ">26</td><td style="text-align:right; ">89</td><td style="text-align:right; ">46</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >12</td><td style="text-align:right; ">05/09/2019</td><td style="text-align:right; ">70</td><td style="text-align:right; ">69</td><td style="text-align:right; ">36</td><td style="text-align:right; ">1</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >13</td><td style="text-align:right; ">06/09/2019</td><td style="text-align:right; ">12</td><td style="text-align:right; ">61</td><td style="text-align:right; ">46</td><td style="text-align:right; ">95</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >14</td><td style="text-align:right; ">07/09/2019</td><td style="text-align:right; ">64</td><td style="text-align:right; ">80</td><td style="text-align:right; ">38</td><td style="text-align:right; ">49</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >15</td><td style="background-color:#ffc000; text-align:right; ">08/09/2019</td><td style="text-align:right; ">59</td><td style="background-color:#00b0f0; text-align:right; ">77</td><td style="text-align:right; ">88</td><td style="text-align:right; ">80</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >16</td><td style="text-align:right; ">09/09/2019</td><td style="text-align:right; ">45</td><td style="text-align:right; ">72</td><td style="text-align:right; ">32</td><td style="text-align:right; ">35</td></tr></table><br /><table style="font-family:Arial; font-size:10pt; border-style: groove ;border-color:#00ff00;background-color:#fffcf9; color:#000000; "><tr><td ><b></b></td></tr><tr><td ><table border = "1" cellspacing="0" cellpadding="2" style="font-family:Arial; font-size:9pt;"><tr style="background-color:#cacaca; font-size:10pt;"><td >Cell</td><td >Formula</td></tr><tr><td >A2</td><td >=TODAY()</td></tr><tr><td >C2</td><td >=DATE(YEAR(A2),MONTH(A2)+B2,DAY(A2))</td></tr><tr><td >E2</td><td >=VLOOKUP(C2,A4:E16,D2,0)</td></tr></table></td></tr></table>