OFFSET
0,5
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..200
MAPLE
b:= proc(n, i) option remember; (m-> `if`(n>m, 0,
`if`(n=m, 1, b(abs(n-i*(i+1)/2), i-1)+b(n, i-1)+
b(n+i*(i+1)/2, i-1))))((2+(3+i)*i)*i/6)
end:
a:= n-> b(n*(n+1)/2, n):
seq(a(n), n=0..32); # Alois P. Heinz, Jan 24 2024
MATHEMATICA
Table[Coefficient[Product[x^(k (k + 1)/2) + 1 + 1/x^(k (k + 1)/2), {k, 1, n}], x, n (n + 1)/2], {n, 0, 32}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Jan 24 2024
STATUS
approved