id:A013289 - OEIS Search Results

Search: id:A013289

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tanh(log(x+1)-tanh(x))=-1/2!*x^2+4/3!*x^3-6/4!*x^4+8/5!*x^5...

+0
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-1, 4, -6, 8, -90, 152, 6440, -69984, 451080, -4819168, 67077648, -533622208, 882593712, 16010702528, -325947073920, 15149145074176, -402497641556352, 6097893929134592, -75930618112953600, 1338998058465717248 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A087271 A067797 A013285 this_sequence A013288 A013282 A013287` `Adjacent sequences: A013286 A013287 A013288 this_sequence A013290 A013291 A013292`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research