A280225 - cp's OEIS frontend

A280225 G.f.: Product_{k>=1} (1 + 3*x^(k^2)) / (1-x^k).

n	a(n)
0	1
1	4
2	5
3	9
4	17
5	34
6	47
7	75
8	109
9	165
10	240
11	341
12	473
13	671
14	936
15	1268
16	1722
17	2325
18	3091
19	4099
20	5403
21	7083
22	9207
23	11923
24	15339
25	19682
26	25134
27	31909
28	40378
29	50954
30	64068
31	80171
32	100089
33	124506
34	154465
35	191043
36	235636
37	289816
38	355673
39	435285
40	531486
41	647478

[1, 4, 5, 9, 17, 34, 47, 75, 109, 165, 240, 341, 473, 671, 936, 1268, 1722, 2325, 3091, 4099, 5403, 7083, 9207, 11923, 15339, 19682, 25134, 31909, 40378, 50954, 64068, 80171, 100089, 124506, 154465, 191043, 235636, 289816, 355673, 435285, 531486, 647478]

cp's OEIS Frontend

A280225 G.f.: Product_{k>=1} (1 + 3*x^(k^2)) / (1-x^k).

Table of values

List of values