A198952 - cp's OEIS frontend

A198952 G.f.: Sum_{n>=0} n! * 3^(n(n-1)/2) x^n / Product_{k=1..n} (1 + k3^kx).

n	a(n)
0	1
1	1
2	3
3	45
4	3267
5	991845
6	1155605211
7	4910640919821
8	73614877173054099
9	3802910817051064124469
10	665332303024345700007225099
11	388955052253927480089824057425437
12	751710022839628223241451188902204177091

[1, 1, 3, 45, 3267, 991845, 1155605211, 4910640919821, 73614877173054099, 3802910817051064124469, 665332303024345700007225099, 388955052253927480089824057425437, 751710022839628223241451188902204177091]

cp's OEIS Frontend

A198952 G.f.: Sum_{n>=0} n! * 3^(n(n-1)/2) x^n / Product_{k=1..n} (1 + k3^kx).

Table of values

List of values

cp's OEIS Frontend

A198952 G.f.: Sum_{n>=0} n! * 3^(n*(n-1)/2) * x^n / Product_{k=1..n} (1 + k*3^k*x).

Table of values

List of values

A198952 G.f.: Sum_{n>=0} n! * 3^(n(n-1)/2) x^n / Product_{k=1..n} (1 + k3^kx).