A340647 - cp's OEIS frontend

A340647 G.f.: Sum_{k>=0} x^(k^2) / Product_{j=1..k} (1 - x^(2*j))^2.

n	a(n)
0	1
1	1
2	0
3	2
4	1
5	3
6	2
7	4
8	5
9	6
10	8
11	8
12	14
13	12
14	20
15	18
16	31
17	27
18	42
19	40
20	60
21	60
22	80
23	86
24	111
25	124
26	146
27	174
28	199
29	241
30	262
31	328
32	353
33	444
34	464
35	590
36	620
37	780
38	812
39	1020
40	1075
41	1326
42	1400
43	1710
44	1833
45	2198
46	2370
47	2804
48	3072
49	3570
50	3936
51	4522
52	5048
53	5713
54	6414
55	7190

[1, 1, 0, 2, 1, 3, 2, 4, 5, 6, 8, 8, 14, 12, 20, 18, 31, 27, 42, 40, 60, 60, 80, 86, 111, 124, 146, 174, 199, 241, 262, 328, 353, 444, 464, 590, 620, 780, 812, 1020, 1075, 1326, 1400, 1710, 1833, 2198, 2370, 2804, 3072, 3570, 3936, 4522, 5048, 5713, 6414, 7190]

cp's OEIS Frontend

A340647 G.f.: Sum_{k>=0} x^(k^2) / Product_{j=1..k} (1 - x^(2*j))^2.

Table of values

List of values