A318770 - cp's OEIS frontend

A318770 Expansion of Sum_{k>=0} x^(k^2) / Product_{j=1..k} (1 - j*x^j).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	4
7	4
8	8
9	9
10	17
11	19
12	38
13	42
14	80
15	97
16	174
17	208
18	389
19	460
20	826
21	1049
22	1790
23	2248
24	3989
25	4933
26	8451
27	11116
28	18300
29	23742
30	40446
31	51774
32	85774
33	115454
34	184806
35	245967
36	406768
37	533210
38	860295
39	1179570
40	1850325
41	2505585
42	4046594
43	5407269
44	8556317
45	11877833
46	18327723

[1, 1, 1, 1, 2, 2, 4, 4, 8, 9, 17, 19, 38, 42, 80, 97, 174, 208, 389, 460, 826, 1049, 1790, 2248, 3989, 4933, 8451, 11116, 18300, 23742, 40446, 51774, 85774, 115454, 184806, 245967, 406768, 533210, 860295, 1179570, 1850325, 2505585, 4046594, 5407269, 8556317, 11877833, 18327723]

cp's OEIS Frontend

A318770 Expansion of Sum_{k>=0} x^(k^2) / Product_{j=1..k} (1 - j*x^j).

Table of values

List of values