OFFSET
0,3
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..268
FORMULA
a(n) ~ (-1)^n * c * n^(2*n+4/3) / (2^n * exp(2*n)), where c = 6.48036478570177035603430551468143689346603193431525230833621534239220049... . - Vaclav Kotesovec, May 06 2015
MATHEMATICA
nmax = 30; aa = ConstantArray[0, nmax+1]; aa[[1]] = 1; Do[aa[[n+1]]=-Sum[Binomial[n+1, k]*aa[[k+1]], {k, 0, n-1}], {n, 1, nmax}]; aa (* Vaclav Kotesovec, May 06 2015 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Ralf Stephan, Feb 24 2005
EXTENSIONS
Offset changed to 0 by Vaclav Kotesovec, May 06 2015
STATUS
approved