A268501 - cp's OEIS frontend

A268501 Expansion of Product_{k>=1} ((1 + k*x^k) / (1 + x^k))^k.

n	a(n)
0	1
1	0
2	2
3	6
4	11
5	32
6	60
7	148
8	279
9	690
10	1312
11	2778
12	5684
13	11282
14	22920
15	44724
16	87919
17	168978
18	329800
19	623086
20	1189794
21	2235744
22	4189442
23	7795642
24	14438670
25	26577246
26	48616050
27	88724110
28	160629612
29	290267100
30	521225220
31	933031364
32	1661954928
33	2950946220

[1, 0, 2, 6, 11, 32, 60, 148, 279, 690, 1312, 2778, 5684, 11282, 22920, 44724, 87919, 168978, 329800, 623086, 1189794, 2235744, 4189442, 7795642, 14438670, 26577246, 48616050, 88724110, 160629612, 290267100, 521225220, 933031364, 1661954928, 2950946220]

cp's OEIS Frontend

A268501 Expansion of Product_{k>=1} ((1 + k*x^k) / (1 + x^k))^k.

Table of values

List of values