A227033 - cp's OEIS frontend

A227033 Expansion of (phi(x) / f(-x^4))^2 in powers of x where phi(), f() are Ramanujan theta functions.

n	a(n)
0	1
1	4
2	4
3	0
4	6
5	16
6	8
7	0
8	17
9	40
10	28
11	0
12	38
13	96
14	56
15	0
16	84
17	204
18	124
19	0
20	172
21	400
22	232
23	0
24	325
25	760
26	448
27	0
28	594
29	1376
30	784
31	0
32	1049
33	2404
34	1388
35	0
36	1796
37	4096
38	2320
39	0
40	3005
41	6808
42	3864
43	0
44	4912
45	11072
46	6216
47	0
48	7877
49	17688
50	9940
51	0
52	12430
53	27792
54	15488
55	0

[1, 4, 4, 0, 6, 16, 8, 0, 17, 40, 28, 0, 38, 96, 56, 0, 84, 204, 124, 0, 172, 400, 232, 0, 325, 760, 448, 0, 594, 1376, 784, 0, 1049, 2404, 1388, 0, 1796, 4096, 2320, 0, 3005, 6808, 3864, 0, 4912, 11072, 6216, 0, 7877, 17688, 9940, 0, 12430, 27792, 15488, 0]

cp's OEIS Frontend

A227033 Expansion of (phi(x) / f(-x^4))^2 in powers of x where phi(), f() are Ramanujan theta functions.

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