A318025 - cp's OEIS frontend

A318025 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} 1/(1 - jx^(kj))).

n	a(n)
1	1
2	4
3	7
4	18
5	26
6	66
7	98
8	216
9	361
10	701
11	1171
12	2287
13	3763
14	6887
15	11707
16	20740
17	34637
18	60678
19	100581
20	172609
21	285924
22	481671
23	791317
24	1323831
25	2156856
26	3561119
27	5784021
28	9459559
29	15250217
30	24783964
31	39713789
32	64032664
33	102200203
34	163617694
35	259745174
36	413886941
37	653715969
38	1035539948

[1, 4, 7, 18, 26, 66, 98, 216, 361, 701, 1171, 2287, 3763, 6887, 11707, 20740, 34637, 60678, 100581, 172609, 285924, 481671, 791317, 1323831, 2156856, 3561119, 5784021, 9459559, 15250217, 24783964, 39713789, 64032664, 102200203, 163617694, 259745174, 413886941, 653715969, 1035539948]

cp's OEIS Frontend

A318025 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} 1/(1 - jx^(kj))).

Table of values

List of values

cp's OEIS Frontend

A318025 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} 1/(1 - j*x^(k*j))).

Table of values

List of values

A318025 Expansion of Sum_{k>=1} (-1 + Product_{j>=1} 1/(1 - jx^(kj))).