A293554 - cp's OEIS frontend

A293554 a(n) = [x^n] exp(Sum_{k>=1} x^k/(k*(1 - x^k)^n)).

n	a(n)
0	1
1	1
2	3
3	10
4	45
5	216
6	1232
7	7624
8	52215
9	385495
10	3056680
11	25825669
12	231503636
13	2191866327
14	21835650219
15	228089127908
16	2490775088645
17	28362322146780
18	336015253520857
19	4133561828779865
20	52705520063966840
21	695406327616587268
22	9480212057583970983

[1, 1, 3, 10, 45, 216, 1232, 7624, 52215, 385495, 3056680, 25825669, 231503636, 2191866327, 21835650219, 228089127908, 2490775088645, 28362322146780, 336015253520857, 4133561828779865, 52705520063966840, 695406327616587268, 9480212057583970983]

cp's OEIS Frontend

A293554 a(n) = [x^n] exp(Sum_{k>=1} x^k/(k*(1 - x^k)^n)).

Table of values

List of values