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A155587 Expansion of (1+x*c(x))/(1-x), c(x) the g.f. of A000108. +0
3
1, 2, 3, 5, 10, 24, 66, 198, 627, 2057, 6919, 23715, 82501, 290513, 1033413, 3707853, 13402698, 48760368, 178405158, 656043858, 2423307048, 8987427468, 33453694488, 124936258128, 467995871778, 1757900019102, 6619846420554 (list; graph; listen)
OFFSET

0,2

COMMENT

Row sums of A155586. Hankel transform is A057079(n+2).

FORMULA

a(n)=1+sum{k=0..n-1, A000108(k)}.

CROSSREFS

Sequence in context: A099967 A106531 A101163 this_sequence A125658 A001200 A050837

Adjacent sequences: A155584 A155585 A155586 this_sequence A155588 A155589 A155590

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jan 24 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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