A333154 - cp's OEIS frontend

A333154 G.f.: Sum_{k>=1} (k^2 * x^(k*(k+1)) / Product_{j=1..k} (1 - x^j)).

n	a(n)
0	0
1	0
2	1
3	1
4	1
5	1
6	5
7	5
8	9
9	9
10	13
11	13
12	26
13	26
14	39
15	48
16	61
17	70
18	92
19	101
20	139
21	157
22	195
23	229
24	292
25	326
26	405
27	464
28	559
29	634
30	779
31	870
32	1047
33	1188
34	1406
35	1604
36	1888
37	2127
38	2493
39	2823
40	3271
41	3683
42	4283
43	4802
44	5525
45	6221
46	7112
47	7992
48	9137
49	10210
50	11625
51	13013
52	14734

[0, 0, 1, 1, 1, 1, 5, 5, 9, 9, 13, 13, 26, 26, 39, 48, 61, 70, 92, 101, 139, 157, 195, 229, 292, 326, 405, 464, 559, 634, 779, 870, 1047, 1188, 1406, 1604, 1888, 2127, 2493, 2823, 3271, 3683, 4283, 4802, 5525, 6221, 7112, 7992, 9137, 10210, 11625, 13013, 14734]

cp's OEIS Frontend

A333154 G.f.: Sum_{k>=1} (k^2 * x^(k*(k+1)) / Product_{j=1..k} (1 - x^j)).

Table of values

List of values