A012641 - OEIS

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A012641

tanh(arcsinh(x)*cos(x))=x-6/3!*x^3+120/5!*x^5-6216/7!*x^7...

1, -6, 120, -6216, 548544, -74860544, 14571230336, -3827313412352, 1304171528695808, -559299942314340352, 294737591597024591872, -187195194238509459439616, 141014910901971840963870720 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A093910 A002370 A012846 * A012795 A054479 A012475` `Adjacent sequences: A012638 A012639 A012640 * A012642 A012643 A012644`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 09:30 EST 2012. Contains 206009 sequences.