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Search: id:A134281
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A134281 Row sums of triangle A134280 (S2(6)'). +0
4
1, 7, 73, 1165, 23737, 611221, 18690205, 668252677, 27220297405, 1246965912877, 63372307277821, 3539782399096237, 215467387904873101, 14196835617995678125, 1006540575704304853261, 76406049317127647613901 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n)=sum(A134280(n,m),m=1..n), n>=1.

a(n)=sum(A134279(n,k),k=1..p(n)), with p(n)= A000041(n) (number of partitions of n).

CROSSREFS

Cf. A134282 (alternating row sums of triangle A134280).

Sequence in context: A112939 A048174 A058350 this_sequence A051154 A106427 A106417

Adjacent sequences: A134278 A134279 A134280 this_sequence A134282 A134283 A134284

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Nov 13 2007

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Last modified December 4 21:35 EST 2008. Contains 151309 sequences.


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