References to A209539

Number of nX4 array permutations with every element making zero or one right-handed knight moves (out 2, right 1)
1, 4, 72, 729, 6480, 63504, 635040, 6350400, 63504000, 635040000, 6350400000


1 seqfan posts

Sat Mar 10 16:56:20 CET 2012    [seqfan] Right-handed knight permutations, powers of 10?

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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