A013297 - OEIS

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A013297

arctan(log(x+1)-atanh(x))=-1/2!*x^2-6/4!*x^4-90/6!*x^6-2520/8!*x^8...

1, 6, 90, 2520, 120960, 9979200, 1377295920, 285145660800, 78922558915200, 27250976424672000, 11359413770434329600, 5628391828843104921600, 3284252230408078849920000, 2238997166752030045320960000 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A177289 A177290 A000680 * A077370 A095864 A006151` `Adjacent sequences: A013294 A013295 A013296 * A013298 A013299 A013300`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.