A228072 - cp's OEIS frontend

A228072 Expansion of psi(x^2)^2 * phi(-x^2)^6 + 8 * x * psi(x^2)^6 * phi(-x^2)^2 in powers of x where phi(), psi() are Ramanujan theta functions.

n	a(n)
0	1
1	8
2	-10
3	16
4	37
5	-40
6	-50
7	-80
8	-30
9	40
10	128
11	48
12	-25
13	80
14	-34
15	320
16	-320
17	-160
18	310
19	-400
20	410
21	152
22	-370
23	-416
24	-87
25	-240
26	-410
27	400
28	320
29	-200
30	30
31	592
32	500
33	776
34	384
35	400
36	-630
37	-200
38	-640
39	-1120
40	-359
41	552
42	300
43	-272
44	-326
45	-800
46	2560
47	-400
48	-110

[1, 8, -10, 16, 37, -40, -50, -80, -30, 40, 128, 48, -25, 80, -34, 320, -320, -160, 310, -400, 410, 152, -370, -416, -87, -240, -410, 400, 320, -200, 30, 592, 500, 776, 384, 400, -630, -200, -640, -1120, -359, 552, 300, -272, -326, -800, 2560, -400, -110]

cp's OEIS Frontend

A228072 Expansion of psi(x^2)^2 * phi(-x^2)^6 + 8 * x * psi(x^2)^6 * phi(-x^2)^2 in powers of x where phi(), psi() are Ramanujan theta functions.

Table of values

List of values