References to A000459

Number of permutations with no hits on 2 main diagonals.
0, 1, 10, 297, 13756, 925705, 85394646, 10351036465, 1596005408152

1 seqfan posts

Fri Oct 29 05:35:16 CEST 2010    [seqfan] Implementing first 500 sequences in Java
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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