A205972 - cp's OEIS frontend

A205972 a(n) = Fibonacci(n)*A122859(n) for n>=1, with a(0)=1, where A122859 lists the coefficients in phi(-q)^3/phi(-q^3) and phi() is a Ramanujan theta function.

n	a(n)
0	1
1	-6
2	12
3	-12
4	-18
5	0
6	96
7	-156
8	252
9	-204
10	0
11	0
12	-864
13	-2796
14	9048
15	0
16	-5922
17	0
18	31008
19	-50172
20	0
21	-131352
22	0
23	0
24	556416
25	-450150
26	2913432
27	-1178508
28	-3813732
29	0
30	0
31	-16155228
32	26139708
33	0
34	0
35	0
36	-89582112
37	-289893804
38	938116056
39	-758951832
40	0
41	0
42	6429943104

[1, -6, 12, -12, -18, 0, 96, -156, 252, -204, 0, 0, -864, -2796, 9048, 0, -5922, 0, 31008, -50172, 0, -131352, 0, 0, 556416, -450150, 2913432, -1178508, -3813732, 0, 0, -16155228, 26139708, 0, 0, 0, -89582112, -289893804, 938116056, -758951832, 0, 0, 6429943104]

cp's OEIS Frontend

A205972 a(n) = Fibonacci(n)*A122859(n) for n>=1, with a(0)=1, where A122859 lists the coefficients in phi(-q)^3/phi(-q^3) and phi() is a Ramanujan theta function.

Table of values

List of values