id:A006523 - OEIS Search Results

Search: id:A006523

Displaying 1-1 of 1 results found.

page 1

Sum ((-1)^(i+1)*binomial(n,i)*2^i*(2*n-1)!,i=1..n) for n odd.

+0
1

2, 240, 725760, 12454041600, 711374856192000, 102181884343418880000, 31022420086661971968000000, 17683523987479403909087232000000, 17366635237623772991036388802560000000 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Adjacent sequences: A006520 A006521 A006522 this_sequence A006524 A006525 A006526` `Sequence in context: A087226 A071967 A024348 this_sequence A055968 A074256 A146312`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

page 1

Search completed in 0.002 seconds

Last modified November 8 07:45 EST 2009. Contains 166143 sequences.

AT&T Labs Research