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A117376
Expansion of 1/((1-3x*c(x))(1-x^2*c(x))), c(x) the g.f. of
A000108
.
+0
2
1, 3, 13, 55, 240, 1057, 4688, 20879, 93250, 417272, 1869725, 8386137, 37640961, 169042436, 759470361, 3413223919, 15343588991, 68988110756, 310233741889, 1395268187372, 6275807975664, 28230370862051, 126996552221811
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.
AT&T Labs Research
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