id:A012967 - OEIS Search Results

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tanh(arctan(x)+log(x+1))=2*x-1/2!*x^2-16/3!*x^3+42/4!*x^4+500/5!*x^5...

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2, -1, -16, 42, 500, -3210, -31960, 409640, 3197360, -78190200, -405352000, 20714298000, 39783504800, -7213870190800, 15836666456000, 3165414330000000, -23690623723936000, -1688397526908144000 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A095850 A113108 A013125 this_sequence A013121 A012963 A013120` `Adjacent sequences: A012964 A012965 A012966 this_sequence A012968 A012969 A012970`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

AT&T Labs Research