A318484 - cp's OEIS frontend

A318484 Expansion of Product_{k>=1} (1 + k*x^k)^sigma(k), where sigma = A000203.

n	a(n)
0	1
1	1
2	6
3	18
4	52
5	142
6	404
7	1018
8	2624
9	6645
10	16124
11	38857
12	92245
13	214841
14	494098
15	1125062
16	2522188
17	5604930
18	12327860
19	26838595
20	57913194
21	123951482
22	263019720
23	553989989
24	1158449522
25	2405179547
26	4961047246
27	10168544537
28	20714279168
29	41952595411
30	84494479578

[1, 1, 6, 18, 52, 142, 404, 1018, 2624, 6645, 16124, 38857, 92245, 214841, 494098, 1125062, 2522188, 5604930, 12327860, 26838595, 57913194, 123951482, 263019720, 553989989, 1158449522, 2405179547, 4961047246, 10168544537, 20714279168, 41952595411, 84494479578]

cp's OEIS Frontend

A318484 Expansion of Product_{k>=1} (1 + k*x^k)^sigma(k), where sigma = A000203.

Table of values

List of values