A261252 - cp's OEIS frontend

A261252 Expansion of f(-x^3) * f(-x^6) / (f(x) * f(-x^4)) in powers of x where f() is a Ramanujan theta function.

n	a(n)
0	1
1	-1
2	2
3	-4
4	7
5	-10
6	14
7	-22
8	33
9	-45
10	62
11	-88
12	122
13	-163
14	216
15	-290
16	386
17	-502
18	650
19	-846
20	1093
21	-1393
22	1768
23	-2248
24	2844
25	-3565
26	4454
27	-5566
28	6927
29	-8566
30	10562
31	-13014
32	15986
33	-19543
34	23832
35	-29032
36	35272
37	-42700
38	51578
39	-62226
40	74906
41	-89909
42	107712

[1, -1, 2, -4, 7, -10, 14, -22, 33, -45, 62, -88, 122, -163, 216, -290, 386, -502, 650, -846, 1093, -1393, 1768, -2248, 2844, -3565, 4454, -5566, 6927, -8566, 10562, -13014, 15986, -19543, 23832, -29032, 35272, -42700, 51578, -62226, 74906, -89909, 107712]

cp's OEIS Frontend

A261252 Expansion of f(-x^3) * f(-x^6) / (f(x) * f(-x^4)) in powers of x where f() is a Ramanujan theta function.

Table of values

List of values