id:A102073 - OEIS Search Results

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A102073

Numerators of e.g.f. sec(arcosh(x)) = cosec(arsinh(x)).

+0
2

1, -1, 220, -830, 51280, -24271600, 2978372800, -72656038000, 6574942704928000, -369025338813664000, 439973927875730560000, -16173932272478277440000, 8586787143256164544000000 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`sec(arcosh(x)) = 1/x + x/3 - 1/3x^3/3! + 220/63x^5/5! -...`
	CROSSREFS	`Denominators are in A102074.` `Sequence in context: A063990 A157107 A135807 this_sequence A002025 A027797 A055663` `Adjacent sequences: A102070 A102071 A102072 this_sequence A102074 A102075 A102076`
	KEYWORD	`sign,frac`
	AUTHOR	`Ralf Stephan, Dec 31 2004`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research