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Search: id:A027326
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A027326 a(n) = Sum{(k+1)*T(n,k)}, 0<=k<=m, where m=0 for n=0,1; m=n for n >= 2; T given by A026120. +0
1
1, 3, 13, 48, 165, 556, 1836, 5984, 19302, 61764, 196361, 620968, 1955037, 6132060, 19171447, 59770440, 185888523, 576870516, 1786768047, 5524718520, 17056080375, 52582317228, 161900130438, 497909056776 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A027323 A027324 A027325 this_sequence A027327 A027328 A027329

Sequence in context: A089930 A084519 A122424 this_sequence A108946 A048482 A094978

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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