A318029 - cp's OEIS frontend

A318029 Expansion of Sum_{k>=2} x^(k*(k+3)/2) / Product_{j=1..k} (1 - x^j).

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	1
7	2
8	2
9	4
10	4
11	6
12	7
13	9
14	11
15	14
16	16
17	20
18	24
19	28
20	34
21	40
22	47
23	55
24	65
25	75
26	88
27	102
28	118
29	136
30	158
31	180
32	208
33	238
34	272
35	311
36	355
37	403
38	459
39	521
40	590
41	668
42	756
43	852
44	962
45	1084
46	1218
47	1370
48	1538
49	1724
50	1932
51	2163
52	2417
53	2701
54	3015
55	3361
56	3745
57	4170
58	4636
59	5154
60	5724

[0, 0, 0, 0, 0, 1, 1, 2, 2, 4, 4, 6, 7, 9, 11, 14, 16, 20, 24, 28, 34, 40, 47, 55, 65, 75, 88, 102, 118, 136, 158, 180, 208, 238, 272, 311, 355, 403, 459, 521, 590, 668, 756, 852, 962, 1084, 1218, 1370, 1538, 1724, 1932, 2163, 2417, 2701, 3015, 3361, 3745, 4170, 4636, 5154, 5724]

cp's OEIS Frontend

A318029 Expansion of Sum_{k>=2} x^(k*(k+3)/2) / Product_{j=1..k} (1 - x^j).

Table of values

List of values