Number of pairs of complementary sets of cardinality at least 2.
0, 0, 0, 0, 6, 20, 50, 112, 238, 492, 1002, 2024, 4070, 8164, 16354, 32736, 65502
3 seqfan posts
Thu Feb 11 23:09:14 CET 2010 [seqfan] Re: Unexpected help by A052515
Thu Feb 11 18:12:35 CET 2010 [seqfan] Re: Unexpected help by A052515
Thu Feb 11 14:12:23 CET 2010 [seqfan] Unexpected help by A052515
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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