A261877 - cp's OEIS frontend

A261877 Expansion of psi(x^4) / phi(-x^3) in powers of x where phi(), psi() are Ramanujan theta functions.

n	a(n)
0	1
1	0
2	0
3	2
4	1
5	0
6	4
7	2
8	0
9	8
10	4
11	0
12	15
13	8
14	0
15	26
16	14
17	0
18	44
19	24
20	0
21	72
22	40
23	0
24	115
25	64
26	0
27	180
28	100
29	0
30	276
31	154
32	0
33	416
34	232
35	0
36	618
37	344
38	0
39	906
40	505
41	0
42	1312
43	730
44	0
45	1880
46	1044
47	0
48	2666
49	1480
50	0
51	3746
52	2076
53	0
54	5220
55	2888
56	0
57	7216
58	3988
59	0
60	9903
61	5464
62	0

[1, 0, 0, 2, 1, 0, 4, 2, 0, 8, 4, 0, 15, 8, 0, 26, 14, 0, 44, 24, 0, 72, 40, 0, 115, 64, 0, 180, 100, 0, 276, 154, 0, 416, 232, 0, 618, 344, 0, 906, 505, 0, 1312, 730, 0, 1880, 1044, 0, 2666, 1480, 0, 3746, 2076, 0, 5220, 2888, 0, 7216, 3988, 0, 9903, 5464, 0]

cp's OEIS Frontend

A261877 Expansion of psi(x^4) / phi(-x^3) in powers of x where phi(), psi() are Ramanujan theta functions.

Table of values

List of values