OFFSET
0,5
FORMULA
a(n) = [x^n] 1 / (1 - Sum_{1 <= j <= sqrt(n)} x^j).
PROG
(PARI) a(n)=my(s=sqrtint(n), x='x+O('x^(n+1))); polcoef(Pol(Ser(1/(1-sum(j=1, s, x^j)))), n);
vector(33, n, a(n-1)) \\ Joerg Arndt, Dec 22 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Dec 22 2023
STATUS
approved