id:A008353 - OEIS Search Results

Search: id:A008353

Displaying 1-1 of 1 results found.

page 1

2^n*(2^(n+1) - n - 1).

+0
4

1, 4, 20, 96, 432, 1856, 7744, 31744, 128768, 519168, 2085888, 8364032, 33501184, 134103040, 536625152, 2146959360, 8588820480, 34357379072, 137433972736, 549745328128, 2199001235456 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=sum{k=0..n+1, C(2n+2, 2k)-2k(n-k+1)*C(n+1, k)/n}, n>0. - Paul Barry (pbarry(AT)wit.ie), Feb 24 2005`
	CROSSREFS	`a(n) = A066345(2n+1).` `a(n) = 1 for n=0, 4 A008464(n-2) else.` `Adjacent sequences: A008350 A008351 A008352 this_sequence A008354 A008355 A008356` `Sequence in context: A070733 A094971 A099025 this_sequence A057087 A098225 A073532`
	KEYWORD	`nonn`
	AUTHOR	`njas and J. H. Conway (conway(AT)math.princeton.edu)`

page 1

Search completed in 0.002 seconds

Last modified May 16 19:35 EDT 2008. Contains 139737 sequences.

AT&T Labs Research