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A058410
Number of 4 X n nonnegative integer matrices with all column sums 4, up to row and column permutation.
+0
3
1, 5, 45, 407, 3411, 25142, 163711, 947909, 4949257, 23579022, 103592423, 423435205, 1622413728, 5864055622, 20102107500, 65660463140, 205176581382, 615506305973, 1778086106680
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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