A246712 - cp's OEIS frontend

A246712 Expansion of chi(x^2) / phi(x) in powers of x where phi(), chi() are Ramanujan theta functions.

n	a(n)
0	1
1	-2
2	5
3	-10
4	18
5	-32
6	55
7	-90
8	145
9	-228
10	351
11	-532
12	795
13	-1170
14	1703
15	-2452
16	3494
17	-4934
18	6910
19	-9598
20	13238
21	-18134
22	24680
23	-33390
24	44921
25	-60108
26	80029
27	-106044
28	139875
29	-183706
30	240284
31	-313046
32	406319
33	-525490
34	677269
35	-870010
36	1114061
37	-1422210

[1, -2, 5, -10, 18, -32, 55, -90, 145, -228, 351, -532, 795, -1170, 1703, -2452, 3494, -4934, 6910, -9598, 13238, -18134, 24680, -33390, 44921, -60108, 80029, -106044, 139875, -183706, 240284, -313046, 406319, -525490, 677269, -870010, 1114061, -1422210]

cp's OEIS Frontend

A246712 Expansion of chi(x^2) / phi(x) in powers of x where phi(), chi() are Ramanujan theta functions.

Table of values

List of values