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Search: id:A053494
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A053494 G.f.: (1+21*x+222*x^2+1082*x^3+3133*x^4+5722*x^5+7013*x^6+5722*x^7+3133*x^8+1082*x^9+222*x^10+21*x^11+x^12)/((1-x)^11*(1+x)^6). +0
2
1, 26, 348, 2698, 14751, 62781, 222190, 681460, 1865715, 4655535, 10756921, 23290026, 47700173, 93104473, 174248451, 314246511, 548380980, 929209095, 1533389605, 2470568045, 3894914166, 6019752376, 9136114923, 13635769173 (list; graph; listen)
OFFSET

0,2

REFERENCES

R. P. Stanley, Enumerative Combinatorics, Wadsworth, Vol. 1, 1986; see Prop. 4.6.21, p. 235, G_5(lambda).

CROSSREFS

Cf. A019298, A053494.

Sequence in context: A126919 A035708 A042306 this_sequence A054938 A010978 A022590

Adjacent sequences: A053491 A053492 A053493 this_sequence A053495 A053496 A053497

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jan 15 2000

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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.


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