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Search: id:A013291
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A013291 cosh(log(x+1)-tanh(x))=1+3/4!*x^4-40/5!*x^5+250/6!*x^6-1008/7!*x^7... +0
1
1, 0, 0, 0, 3, -40, 250, -1008, 6517, -87120, 981924, -9387840, 103808727, -1434810936, 20930063102, -308368386480, 4838631496873, -82524970065824, 1497919608463368, -28494789851849472, 568078461069883755 (list; graph; listen)
OFFSET

0,5

CROSSREFS

Sequence in context: A013256 A013293 A013286 this_sequence A013292 A002700 A005724

Adjacent sequences: A013288 A013289 A013290 this_sequence A013292 A013293 A013294

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified August 28 22:44 EDT 2008. Contains 143251 sequences.


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