id:A092043 - OEIS Search Results

Search: id:A092043

Displaying 1-1 of 1 results found.

page 1

A092043

Numerator of n!/n^2.

+0
1

1, 1, 2, 3, 24, 20, 720, 630, 4480, 36288, 3628800, 3326400, 479001600, 444787200, 5811886080, 81729648000, 20922789888000, 19760412672000, 6402373705728000, 6082255020441600, 115852476579840000, 2322315553259520000 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Numerator of expansion of dilog(x) = Li_2(x).` `dilog(x) = a(n)/A014973(n)x^k/n! = int(0, x, log(1-t)/tdt).`
	LINKS	`A. N. Kirillov, Dilogarithm identities` `Eric Weisstein's World of Mathematics, Dilogarithm`
	PROGRAM	`(PARI) a(n)=numerator(n!/n^2)` `(PARI) a(n)=numerator(polcoeff(serlaplace(dilog(x)), n))`
	CROSSREFS	`Denominator is in A014973. Cf. A001819.` `Sequence in context: A061098 A119619 A099617 this_sequence A055067 A037319 A032811` `Adjacent sequences: A092040 A092041 A092042 this_sequence A092044 A092045 A092046`
	KEYWORD	`nonn,frac`
	AUTHOR	`Ralf Stephan, Mar 28 2004`

page 1

Search completed in 0.002 seconds

Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research