OFFSET
0,2
COMMENTS
a(n) = A324960(n+1,n) for n >= 0.
PROG
(PARI) {a(n) = polcoeff( prod(m=0, n, 1 + (m+2)*y + y^2 +y*O(y^n)), n, y)}
for(n=0, 30, print1(a(n), ", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Mar 20 2019
STATUS
approved