A205969 - cp's OEIS frontend

A205969 a(n) = Fibonacci(n)*A113973(n) for n>=1, with a(0)=1, where A113973 lists the coefficients in phi(x^3)^3/phi(x) and phi() is a Ramanujan theta function.

n	a(n)
0	1
1	-2
2	4
3	-4
4	6
5	0
6	32
7	-52
8	84
9	-68
10	0
11	0
12	288
13	-932
14	3016
15	0
16	1974
17	0
18	10336
19	-16724
20	0
21	-43784
22	0
23	0
24	185472
25	-150050
26	971144
27	-392836
28	1271244
29	0
30	0
31	-5385076
32	8713236
33	0
34	0
35	0
36	29860704
37	-96631268
38	312705352
39	-252983944
40	0
41	0
42	2143314368
43	-1733977748
44	0

[1, -2, 4, -4, 6, 0, 32, -52, 84, -68, 0, 0, 288, -932, 3016, 0, 1974, 0, 10336, -16724, 0, -43784, 0, 0, 185472, -150050, 971144, -392836, 1271244, 0, 0, -5385076, 8713236, 0, 0, 0, 29860704, -96631268, 312705352, -252983944, 0, 0, 2143314368, -1733977748, 0]

cp's OEIS Frontend

A205969 a(n) = Fibonacci(n)*A113973(n) for n>=1, with a(0)=1, where A113973 lists the coefficients in phi(x^3)^3/phi(x) and phi() is a Ramanujan theta function.

Table of values

List of values