A122135 - cp's OEIS frontend

A122135 Expansion of f(x, -x^4) / phi(-x^2) in powers of x where f(, ) and phi() are Ramanujan theta functions.

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	4
6	6
7	7
8	10
9	12
10	16
11	20
12	26
13	31
14	40
15	48
16	60
17	72
18	89
19	106
20	130
21	154
22	186
23	220
24	264
25	310
26	370
27	433
28	512
29	598
30	704
31	818
32	958
33	1110
34	1293
35	1494
36	1734
37	1996
38	2308
39	2650
40	3052
41	3496
42	4014
43	4584
44	5248
45	5980
46	6825
47	7760
48	8834
49	10020
50	11380
51	12882
52	14594

[1, 1, 2, 2, 3, 4, 6, 7, 10, 12, 16, 20, 26, 31, 40, 48, 60, 72, 89, 106, 130, 154, 186, 220, 264, 310, 370, 433, 512, 598, 704, 818, 958, 1110, 1293, 1494, 1734, 1996, 2308, 2650, 3052, 3496, 4014, 4584, 5248, 5980, 6825, 7760, 8834, 10020, 11380, 12882, 14594]

cp's OEIS Frontend

A122135 Expansion of f(x, -x^4) / phi(-x^2) in powers of x where f(, ) and phi() are Ramanujan theta functions.

Table of values

List of values