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A000316
Number of permutations with no hits on 2 main diagonals.
(Formerly M3702 N1513)
+0
5
0, 4, 80, 4752, 440192, 59245120, 10930514688, 2649865335040, 817154768973824, 312426715251262464, 145060238642780180480, 80403174342119992692736, 52443098500204184915312640, 39764049487996490505336537088
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Maintained by
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.
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