A122130 - cp's OEIS frontend

A122130 Expansion of f(-x^4, -x^16) / psi(-x) in powers of x where psi() is a Ramanujan theta function and f(, ) is Ramanujan's general theta function.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	5
8	7
9	9
10	11
11	14
12	18
13	22
14	27
15	34
16	41
17	50
18	61
19	73
20	88
21	106
22	126
23	150
24	179
25	211
26	249
27	294
28	345
29	404
30	473
31	551
32	642
33	747
34	865
35	1002
36	1159
37	1336
38	1539
39	1771
40	2033
41	2331
42	2670
43	3052
44	3485
45	3976
46	4527
47	5150
48	5854
49	6642
50	7530
51	8529
52	9647
53	10902

[1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 11, 14, 18, 22, 27, 34, 41, 50, 61, 73, 88, 106, 126, 150, 179, 211, 249, 294, 345, 404, 473, 551, 642, 747, 865, 1002, 1159, 1336, 1539, 1771, 2033, 2331, 2670, 3052, 3485, 3976, 4527, 5150, 5854, 6642, 7530, 8529, 9647, 10902]

cp's OEIS Frontend

A122130 Expansion of f(-x^4, -x^16) / psi(-x) in powers of x where psi() is a Ramanujan theta function and f(, ) is Ramanujan's general theta function.

Table of values

List of values