A304448 - cp's OEIS frontend

A304448 Coefficient of x^n in Product_{k>=1} ((1+x^k)/(1-x^k))^(n^2).

n	a(n)
0	1
1	2
2	40
3	1320
4	61984
5	3797560
6	287566368
7	25957422400
8	2721948311680
9	325260627848442
10	43635601119149040
11	6494550360714973304
12	1062063969900788407680
13	189301256401392643093560
14	36526821128512112807216192
15	7585918627122817713267856320

[1, 2, 40, 1320, 61984, 3797560, 287566368, 25957422400, 2721948311680, 325260627848442, 43635601119149040, 6494550360714973304, 1062063969900788407680, 189301256401392643093560, 36526821128512112807216192, 7585918627122817713267856320]

cp's OEIS Frontend

A304448 Coefficient of x^n in Product_{k>=1} ((1+x^k)/(1-x^k))^(n^2).

Table of values

List of values