A261446 - cp's OEIS frontend

A261446 Expansion of f(-x^3, -x^3) * f(-x, -x^5) / f(-x, -x)^2 in powers of x where f(,) is Ramanujan's general theta function.

n	a(n)
0	1
1	3
2	8
3	18
4	38
5	75
6	140
7	252
8	439
9	744
10	1232
11	1998
12	3182
13	4986
14	7700
15	11736
16	17673
17	26322
18	38808
19	56682
20	82070
21	117867
22	167996
23	237744
24	334202
25	466836
26	648224
27	895014
28	1229148
29	1679436
30	2283568
31	3090672
32	4164578
33	5587941
34	7467464
35	9940482
36	13183238
37	17421288

[1, 3, 8, 18, 38, 75, 140, 252, 439, 744, 1232, 1998, 3182, 4986, 7700, 11736, 17673, 26322, 38808, 56682, 82070, 117867, 167996, 237744, 334202, 466836, 648224, 895014, 1229148, 1679436, 2283568, 3090672, 4164578, 5587941, 7467464, 9940482, 13183238, 17421288]

cp's OEIS Frontend

A261446 Expansion of f(-x^3, -x^3) * f(-x, -x^5) / f(-x, -x)^2 in powers of x where f(,) is Ramanujan's general theta function.

Table of values

List of values