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Search: id:A101495
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A101495 Column 1 of triangle A101494. +0
2
1, 1, 3, 8, 23, 73, 253, 948, 3817, 16433, 75295, 365600, 1874083, 10108025, 57194585, 338615084, 2092609701, 13470059649, 90137761867, 625940219896, 4503468629391, 33520255302185, 257764170849941, 2045255722438180 (list; graph; listen)
OFFSET

0,3

FORMULA

a(n) = Sum_{k=0..n} (k+1)*(n-k)^k. G.f.: Sum_{k>=0} x^k/(1-k*x)^2. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 07 2006

CROSSREFS

Cf. A101494.

Adjacent sequences: A101492 A101493 A101494 this_sequence A101496 A101497 A101498

Sequence in context: A080410 A124462 A047857 this_sequence A134758 A050511 A099265

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Jan 21 2005

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.


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