A303908 - cp's OEIS frontend

A303908 Expansion of 1/(2 + x - theta_2(sqrt(x))/(2*x^(1/8))), where theta_2() is the Jacobi theta function.

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	0
6	2
7	0
8	0
9	3
10	1
11	0
12	5
13	2
14	0
15	9
16	5
17	0
18	15
19	10
20	1
21	27
22	20
23	3
24	46
25	40
26	9
27	80
28	78
29	22
30	139
31	152
32	51
33	242
34	290
35	114
36	427
37	550
38	247
39	753
40	1034
41	525
42	1340
43	1933
44	1092
45	2396
46	3602
47	2237
48	4312
49	6685
50	4519
51	7813
52	12380
53	9027
54	14239
55	22877
56	17866
57	26110
58	42214
59	35072
60	48123
61	77829
62	68379

[1, 0, 0, 1, 0, 0, 2, 0, 0, 3, 1, 0, 5, 2, 0, 9, 5, 0, 15, 10, 1, 27, 20, 3, 46, 40, 9, 80, 78, 22, 139, 152, 51, 242, 290, 114, 427, 550, 247, 753, 1034, 525, 1340, 1933, 1092, 2396, 3602, 2237, 4312, 6685, 4519, 7813, 12380, 9027, 14239, 22877, 17866, 26110, 42214, 35072, 48123, 77829, 68379]

cp's OEIS Frontend

A303908 Expansion of 1/(2 + x - theta_2(sqrt(x))/(2*x^(1/8))), where theta_2() is the Jacobi theta function.

Table of values

List of values