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A110561
Denominators of T(n+1)/n! reduced to lowest terms, where T(n) are the triangular numbers
A000217
.
+0
3
1, 1, 1, 3, 8, 40, 180, 140, 896, 72576, 604800, 6652800, 68428800, 59304960, 726485760, 163459296000, 2324754432000, 39520825344000, 640237370572800, 579262382899200, 10532043325440000, 4644631106519040000
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.
AT&T Labs Research
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