A012994 - OEIS

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A012994

cosh(arctan(x)+arcsin(x))=1+4/2!*x^2+8/4!*x^4+310/6!*x^6+4600/8!*x^8...

1, 4, 8, 310, 4600, 695450, 32209900, 9441571750, 1024927826000, 439344864507250, 96071120715212500, 52160549887581638750, 20873814687864446035000, 13171711293701017616406250 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A074073 A090653 A065022 * A136386 A177860 A013443` `Adjacent sequences: A012991 A012992 A012993 * A012995 A012996 A012997`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.