Number of ways to place n^2 nonattacking kings on a 2n X 2n cylindrical chessboard.
4, 32, 344, 4460, 66532, 1118398, 20984924, 437500380, 10105541204
5 seqfan posts
Mon Sep 5 23:24:37 CEST 2011 [seqfan] Re: About triangles of numbers in OEIS
Mon Sep 5 15:44:05 CEST 2011 [seqfan] About triangles of numbers in OEIS
Mon Sep 5 13:36:41 CEST 2011 [seqfan] Re: DHARMA: the difference between A078521 and A137432
Tue Aug 30 19:51:02 CEST 2011 [seqfan] Lack of takers: DoItYourself: the difference between A078521and A137432
Sun Aug 28 23:05:49 CEST 2011 [seqfan] help needed interpreting the difference between A078521 and A137432
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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