A302549 - cp's OEIS frontend

A302549 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} 1/(1 - x^(k*j))^j).

n	a(n)
1	1
2	4
3	7
4	17
5	25
6	58
7	87
8	177
9	289
10	528
11	860
12	1550
13	2486
14	4257
15	6910
16	11474
17	18335
18	29941
19	47331
20	75819
21	118887
22	187338
23	290784
24	452904
25	696058
26	1071234
27	1632947
28	2487504
29	3759613
30	5676424
31	8512310
32	12744903
33	18975839
34	28194293
35	41691157
36	61516394
37	90379785

[1, 4, 7, 17, 25, 58, 87, 177, 289, 528, 860, 1550, 2486, 4257, 6910, 11474, 18335, 29941, 47331, 75819, 118887, 187338, 290784, 452904, 696058, 1071234, 1632947, 2487504, 3759613, 5676424, 8512310, 12744903, 18975839, 28194293, 41691157, 61516394, 90379785]

cp's OEIS Frontend

A302549 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} 1/(1 - x^(k*j))^j).

Table of values

List of values