Number of quad-coverings of a set
1, 1, 5, 81, 4079, 507549, 127126912, 55643064708, 38715666455777
2 seqfan posts
Sun Mar 27 16:37:19 CEST 2011 [seqfan] Re: A165435 offset should be 0?
Sun Mar 27 14:22:13 CEST 2011 [seqfan] A165435 offset should be 0?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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