OFFSET
0,9
FORMULA
Sum_{i=0..n} binomial(n,i)*a(i) = a(n+4).
G.f. A(x) satisfies: A(x) = x^3 + x^4 * A(x/(1 - x)) / (1 - x). - Ilya Gutkovskiy, Jul 01 2021
CROSSREFS
KEYWORD
nonn,eigen,easy
AUTHOR
Olivier Gérard, Aug 12 2016
STATUS
approved