A013125 - OEIS

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A013125

tanh(tanh(x)+log(x+1))=2*x-1/2!*x^2-16/3!*x^3+42/4!*x^4+492/5!*x^5...

2, -1, -16, 42, 492, -3210, -30168, 404264, 2783952, -75206520, -292604288, 19217701008, 3111794272, -6389076941520, 29520888356032, 2643629755167360, -29037077579992832, -1307061634619873664 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A095850 A113108 A162005 * A012967 A013121 A012963` `Adjacent sequences: A013122 A013123 A013124 * A013126 A013127 A013128`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 18:01 EST 2012. Contains 206061 sequences.