OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..1000
FORMULA
a(n) ~ 2^(3*n + 1/8) / (Gamma(1/8) * n^(7/8)). - Vaclav Kotesovec, Apr 26 2018
n*a(n)-2*a(n-1)-64*(n-2)*a(n-2)=0. - Tani Akinari, Apr 29 2018
PROG
(PARI) N=66; x='x+O('x^N); Vec(((1+8*x)/(1-8*x))^(1/8))
(Maxima) a[n]:=if n<2 then n+1 else (2*a[n-1]+64*(n-2)*a[n-2])/n;
makelist(a[n], n, 0, 1000); /* Tani Akinari, Apr 29 2018 */
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Apr 25 2018
STATUS
approved