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A002737 Coefficients for extrapolation.
(Formerly M3975 N1644)
+0
1
0, 5, 35, 189, 924, 4290, 19305 (list; graph; listen)
OFFSET

0,2

REFERENCES

J. Ser, Les Calculs Formels des S\'{e}ries de Factorielles. Gauthier-Villars, Paris, 1933, p. 93.

FORMULA

Conjecture: a = sum(binomial(n+j,j)*(n+j),j=0..n). - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 30 2006

Conjecture: a(n)=(n-2)*C(2*n,n)/4, n>=2 . - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Feb 28 2007

CROSSREFS

Sequence in context: A085503 A100739 A043014 this_sequence A123008 A038143 A024062

Adjacent sequences: A002734 A002735 A002736 this_sequence A002738 A002739 A002740

KEYWORD

nonn

AUTHOR

njas

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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