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A126787
G.f.: B(x)*B(2!*x^2)*B(3!*x^3)*..., where B(x) is g.f. of
A000142
.
+0
2
1, 1, 4, 14, 66, 308, 1888, 12240, 95640, 827904, 8106960, 87387264, 1035645312, 13316300928, 184988692800, 2756878875648, 43888205438208, 742943286892800, 13326434312808960, 252448071959572992, 5036116692383428608
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Maintained by
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.
AT&T Labs Research
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