A303909 - cp's OEIS frontend

A303909 Expansion of 2*(1 - x)/(3 - theta_3(x)), where theta_3() is the Jacobi theta function.

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	1
6	1
7	1
8	2
9	4
10	5
11	6
12	8
13	13
14	19
15	26
16	36
17	51
18	74
19	105
20	148
21	208
22	296
23	421
24	597
25	846
26	1198
27	1699
28	2409
29	3417
30	4843
31	6865
32	9732
33	13799
34	19566
35	27739
36	39325
37	55749
38	79041
39	112063
40	158877
41	225241
42	319331
43	452734
44	641866
45	910001
46	1290137
47	1829079
48	2593169
49	3676457
50	5212266

[1, 0, 0, 0, 1, 1, 1, 1, 2, 4, 5, 6, 8, 13, 19, 26, 36, 51, 74, 105, 148, 208, 296, 421, 597, 846, 1198, 1699, 2409, 3417, 4843, 6865, 9732, 13799, 19566, 27739, 39325, 55749, 79041, 112063, 158877, 225241, 319331, 452734, 641866, 910001, 1290137, 1829079, 2593169, 3676457, 5212266]

cp's OEIS Frontend

A303909 Expansion of 2*(1 - x)/(3 - theta_3(x)), where theta_3() is the Jacobi theta function.

Table of values

List of values