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Search: id:A093970
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| A093970 |
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Number of subsets A of {1,...,n} such that there are no solutions to a+b+c=d for a,b,c,d in A. |
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2
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| 1, 2, 4, 6, 11, 21, 31, 55, 99, 145, 252, 430, 620, 1042, 1786, 2597, 4304, 7241, 10374, 17098, 28967
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