A280339 - cp's OEIS frontend

A280339 Expansion of phi(x)^2 * chi(x^2)^4 * f(-x)^2 in powers of x where phi(), chi(), f() are Ramanujan theta functions.

n	a(n)
0	1
1	2
2	-1
3	-2
4	-5
5	-14
6	4
7	12
8	5
9	40
10	0
11	-26
12	11
13	-68
14	-15
15	30
16	-18
17	106
18	3
19	-50
20	-10
21	-182
22	29
23	104
24	10
25	270
26	11
27	-130
28	37
29	-360
30	-51
31	164
32	-16
33	506
34	-30
35	-266
36	-65
37	-686
38	62
39	320
40	53
41	898
42	22
43	-414
44	50
45	-1206
46	-61
47	612
48	-52
49	1560
50	-4
51	-696
52	-81
53	-1958
54	120

[1, 2, -1, -2, -5, -14, 4, 12, 5, 40, 0, -26, 11, -68, -15, 30, -18, 106, 3, -50, -10, -182, 29, 104, 10, 270, 11, -130, 37, -360, -51, 164, -16, 506, -30, -266, -65, -686, 62, 320, 53, 898, 22, -414, 50, -1206, -61, 612, -52, 1560, -4, -696, -81, -1958, 120]

cp's OEIS Frontend

A280339 Expansion of phi(x)^2 * chi(x^2)^4 * f(-x)^2 in powers of x where phi(), chi(), f() are Ramanujan theta functions.

Table of values

List of values