A318783 - cp's OEIS frontend

A318783 Expansion of Product_{k>=1} 1/(1 - x^k)^(d(k)-1), where d(k) = number of divisors of k (A000005).

n	a(n)
0	1
1	0
2	1
3	1
4	3
5	2
6	7
7	5
8	14
9	13
10	27
11	26
12	57
13	53
14	102
15	110
16	192
17	204
18	353
19	381
20	626
21	704
22	1094
23	1246
24	1920
25	2185
26	3252
27	3800
28	5503
29	6440
30	9213
31	10827
32	15194
33	18035
34	24836
35	29579
36	40369
37	48103
38	64758
39	77635
40	103279
41	123882
42	163506
43	196286
44	256688
45	308836
46	400329
47	481847
48	620832

[1, 0, 1, 1, 3, 2, 7, 5, 14, 13, 27, 26, 57, 53, 102, 110, 192, 204, 353, 381, 626, 704, 1094, 1246, 1920, 2185, 3252, 3800, 5503, 6440, 9213, 10827, 15194, 18035, 24836, 29579, 40369, 48103, 64758, 77635, 103279, 123882, 163506, 196286, 256688, 308836, 400329, 481847, 620832]

cp's OEIS Frontend

A318783 Expansion of Product_{k>=1} 1/(1 - x^k)^(d(k)-1), where d(k) = number of divisors of k (A000005).

Table of values

List of values