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Search: id:A027291
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A027291 a(n) = Sum{(k+1)*T(n,k)}, 0<=k<=[ n/2 ]+1, T given by A026009. +0
1
1, 3, 8, 16, 39, 77, 179, 354, 799, 1584, 3504, 6960, 15174, 30183, 65085, 129598, 277071, 552140, 1172348, 2337624, 4935586, 9845978, 20691318, 41292196, 86432614, 172538352, 359934704, 718680768, 1494861996, 2985378027 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A001978 A077552 A024623 this_sequence A048952 A132794 A079666

Adjacent sequences: A027288 A027289 A027290 this_sequence A027292 A027293 A027294

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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