A321389 - cp's OEIS frontend

A321389 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(k^k).

n	a(n)
0	1
1	2
2	10
3	72
4	670
5	7896
6	113532
7	1938948
8	38463150
9	869969602
10	22098936536
11	622728174288
12	19271479902324
13	649553475002720
14	23680210649058960
15	928276725059295192
16	38931910620358040382
17	1739307894106738293052
18	82457731356894087128054
19	4134332188240252347401752
20	218571692793801915329820184

[1, 2, 10, 72, 670, 7896, 113532, 1938948, 38463150, 869969602, 22098936536, 622728174288, 19271479902324, 649553475002720, 23680210649058960, 928276725059295192, 38931910620358040382, 1739307894106738293052, 82457731356894087128054, 4134332188240252347401752, 218571692793801915329820184]

cp's OEIS Frontend

A321389 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(k^k).

Table of values

List of values