A321057 - cp's OEIS frontend

A321057 a(n) = [x^n] Product_{k>=1} ((1 + x^k)/(1 - x^k))^sigma_n(k).

n	a(n)
0	1
1	2
2	12
3	94
4	1522
5	48154
6	3087600
7	377880794
8	93356591804
9	46415548879976
10	44773963087975388
11	86770399797767582434
12	340765670578000502365102
13	2625605734866823121935402410
14	40755373130582885082115865730892
15	1290109927277547765958474680645604818

[1, 2, 12, 94, 1522, 48154, 3087600, 377880794, 93356591804, 46415548879976, 44773963087975388, 86770399797767582434, 340765670578000502365102, 2625605734866823121935402410, 40755373130582885082115865730892, 1290109927277547765958474680645604818]

cp's OEIS Frontend

A321057 a(n) = [x^n] Product_{k>=1} ((1 + x^k)/(1 - x^k))^sigma_n(k).

Table of values

List of values