A205975 - cp's OEIS frontend

A205975 a(n) = Fibonacci(n)*A002652(n) for n>=1, with a(0)=1, where A002652 lists the coefficients in theta series of Kleinian lattice Z[(-1+sqrt(-7))/2].

n	a(n)
0	1
1	2
2	4
3	0
4	18
5	0
6	0
7	26
8	168
9	68
10	0
11	356
12	0
13	0
14	1508
15	0
16	9870
17	0
18	10336
19	0
20	0
21	0
22	141688
23	114628
24	0
25	150050
26	0
27	0
28	1906866
29	2056916
30	0
31	0
32	26139708
33	0
34	0
35	0
36	89582112
37	96631268
38	0
39	0
40	0
41	0
42	0
43	1733977748
44	8416904796
45	0
46	14690495224
47	0
48	0
49	15557484098

[1, 2, 4, 0, 18, 0, 0, 26, 168, 68, 0, 356, 0, 0, 1508, 0, 9870, 0, 10336, 0, 0, 0, 141688, 114628, 0, 150050, 0, 0, 1906866, 2056916, 0, 0, 26139708, 0, 0, 0, 89582112, 96631268, 0, 0, 0, 0, 0, 1733977748, 8416904796, 0, 14690495224, 0, 0, 15557484098]

cp's OEIS Frontend

A205975 a(n) = Fibonacci(n)*A002652(n) for n>=1, with a(0)=1, where A002652 lists the coefficients in theta series of Kleinian lattice Z[(-1+sqrt(-7))/2].

Table of values

List of values