A012471 - OEIS

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A012471

arctanh(cos(x)*log(x+1))=x-1/2!*x^2+1/3!*x^3-12/4!*x^4+43/5!*x^5...

1, -1, 1, -12, 43, -315, 2987, -24976, 288541, -3544965, 46607053, -707823996, 11389328039, -199011366463, 3776136616951, -76078523849280, 1640713749767833, -37603782922082121, 910746316680339641 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A062749 A004636 A136279 * A116187 A009790 A009519` `Adjacent sequences: A012468 A012469 A012470 * A012472 A012473 A012474`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 11:46 EST 2012. Contains 206011 sequences.