Here's one way you could do a simple rotation so no one gets to sit with the same person twice.
Or another way of looking at it, everyone gets to meet 15 people over the five days, i.e. 5 days x 3 other people on the table.
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Person # | | | | | | |
Day 1 | | | | | | |
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Day 2 | | | | | | |
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Day 3 | | | | | | |
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Day 4 | | | | | | |
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Day 5 | | | | | | |
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