A144580 - OEIS

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A144580

Denominators of expansion of exp(1-sqrt(1-x-x^2)).

1, 2, 4, 48, 384, 640, 46080, 645120, 1720320, 185794560, 3715891200, 1946419200, 1961990553600, 7287393484800, 238054853836800, 42849873690624000, 1371195958099968000, 7770110429233152000, 239763407530622976000, 63777066403145711616000 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Table of n, a(n) for n=0..19.`
	CROSSREFS	`Cf. A144579.` `Sequence in context: A019596 A088301 A212429 * A144578 A143968 A097424` `Adjacent sequences: A144577 A144578 A144579 * A144581 A144582 A144583`
	KEYWORD	`nonn,frac`
	AUTHOR	`N. J. A. Sloane, Jan 07 2009`
	STATUS	`approved`

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Last modified May 25 10:17 EDT 2013. Contains 225647 sequences.