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Search: id:A013292
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A013292 sec(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, 6937, -107280, 1460724, -16878400, 198206107, -2751120216, 45257093830, -796023874800, 14139937791153, -259510939790752, 5134675490787400, -109869768885171456 (list; graph; listen)
OFFSET

0,5

CROSSREFS

Adjacent sequences: A013289 A013290 A013291 this_sequence A013293 A013294 A013295

Sequence in context: A013293 A013286 A013291 this_sequence A002700 A005724 A093376

KEYWORD

sign

AUTHOR

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

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.


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