A013061 - OEIS

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A013061

cos(sinh(x)+arctan(x))=1-4/2!*x^2+24/4!*x^4-534/6!*x^6+27272/8!*x^8...

1, -4, 24, -534, 27272, -2170874, 260563908, -43811275382, 9816624434928, -2827858695802930, 1018209224687676028, -448073447471574806926, 236608835615446145622184, -147657298507133683247970826 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A139096 A111425 A013100 * A071302 A174245 A012989` `Adjacent sequences: A013058 A013059 A013060 * A013062 A013063 A013064`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 01:31 EST 2012. Contains 205860 sequences.