OFFSET
0,3
COMMENTS
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..963
EXAMPLE
G.f. A(x) = 1 + x + 2*x^2 + 33*x^3 + 245*x^4 + 1268*x^5 + 10903*x^6 +...
The terms begin:
a(0) = a(1) = 1^5;
a(2) = 1^5 + 1^5 = 2;
a(3) = 1^5 + 2^5 = 33;
a(4) = 1^5 + 3^5 + 1^5 = 245;
a(5) = 1^5 + 4^5 + 3^5 = 1268;
a(6) = 1^5 + 5^5 + 6^5 + 1^5 = 10903;
a(7) = 1^5 + 6^5 + 10^5 + 4^5 = 108801; ...
PROG
(PARI) {a(n)=sum(k=0, n\2, binomial(n-k, k)^5)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Oct 29 2010
STATUS
approved