A013188 - OEIS

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A013188

log(cosh(x)+arctan(x))=x-3/3!*x^3+12/4!*x^4-7/5!*x^5-168/6!*x^6...

1, 0, -3, 12, -7, -168, 917, -1568, -7183, 198400, -3803987, 27605248, 316369129, -8352339968, 40892465221, 772060278784, -12655402122271, 84749115129856, -1539257113273507, 2576755050676224 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A009781 A175046 A093855 * A051353 A070706 A114237` `Adjacent sequences: A013185 A013186 A013187 * A013189 A013190 A013191`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.