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Search: id:A117437
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A117437 E.g.f. exp(x)sec(2x). +0
3
1, 1, 5, 13, 105, 441, 5165, 30213, 469585, 3529201, 68525525, 629401213, 14664091065, 159175688361, 4326609913085, 54189700721013, 1683369010256545, 23894940183997921, 835066388382183845, 13248060325188261613 (list; graph; listen)
OFFSET

0,3

COMMENT

Row sums of A117436. Binomial transform of A002436 (with interpolated zeros).

CROSSREFS

Sequence in context: A123646 A123622 A117340 this_sequence A106046 A117527 A155175

Adjacent sequences: A117434 A117435 A117436 this_sequence A117438 A117439 A117440

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Mar 16 2006

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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