A012768 - OEIS

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A012768

exp(cosh(x)*arctan(x))=1+x+1/2!*x^2+2/3!*x^3+5/4!*x^4+20/5!*x^5...

1, 1, 1, 2, 5, 20, 85, 16, -887, 14096, 145865, -887456, -14963507, 126998976, 2554796829, -21834514688, -556819358703, 5067177011456, 157094249035537, -1485621376751104, -55286734778859115 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A009737 A008983 A192101 * A170947 A006228 A190656` `Adjacent sequences: A012765 A012766 A012767 * A012769 A012770 A012771`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 08:44 EST 2012. Contains 205998 sequences.