id:A013281 - OEIS Search Results

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sech(log(x+1)-arcsinh(x))=1-3/4!*x^4+30/5!*x^5-180/6!*x^6+945/7!*x^7...

+0
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1, 0, 0, 0, -3, 30, -180, 945, -6615, 56700, -368550, 1091475, 3274425, -85135050, 3235131900, -86199238125, 1340238524625, -15196606425000, 229968074085750, -4642248475990125, 57810007510880625 (list; graph; listen)

	OFFSET	`0,5`
	CROSSREFS	`Sequence in context: A003689 A127868 A002463 this_sequence A013274 A013279 A013280` `Adjacent sequences: A013278 A013279 A013280 this_sequence A013282 A013283 A013284`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research