A013020 - OEIS

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A013020

tanh(sinh(x)+log(x+1))=2*x-1/2!*x^2-13/3!*x^3+42/4!*x^4+237/5!*x^5...

2, -1, -13, 42, 237, -2490, -3645, 204344, -680163, -20955960, 230307805, 2174078808, -64281321713, -27511603392, 18418436193415, -156659497218720, -5253312957895607, 117706310429535360 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A087451 A063558 A174170 * A012906 A013017 A012902` `Adjacent sequences: A013017 A013018 A013019 * A013021 A013022 A013023`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 18:57 EST 2012. Contains 206074 sequences.