A012639 - OEIS

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A012639

cos(arcsinh(x)*cos(x))=1-1/2!*x^2+17/4!*x^4-385/6!*x^6+15073/8!*x^8...

1, -1, 17, -385, 15073, -1010945, 101590513, -14396384769, 2765830859457, -694784293696513, 221386930443511505, -87298037019243856513, 41742102489497599699873, -23796035609379191857799425 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A097499 A132541 A159244 * A012200 A007925 A097201` `Adjacent sequences: A012636 A012637 A012638 * A012640 A012641 A012642`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.