cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A321026 Expansion of Product_{k>0} theta_3(q^(2*k-1))/theta_3(q^(2*k)), where theta_3() is the Jacobi theta function.

Table of values

n a(n)
0 1
1 2
2 -2
3 -2
4 8
5 2
6 -14
7 -6
8 24
9 20
10 -54
11 -30
12 104
13 42
14 -170
15 -94
16 302
17 170
18 -524
19 -254
20 852
21 422
22 -1406
23 -706
24 2256
25 1144
26 -3550
27 -1796
28 5628
29 2710
30 -8670
31 -4254
32 13190
33 6650
34 -20118
35 -9842
36 30200
37 14618
38 -44874
39 -22014
40 66376
41 32590
42 -97350
43 -47398
44 141788
45 68668

List of values

[1, 2, -2, -2, 8, 2, -14, -6, 24, 20, -54, -30, 104, 42, -170, -94, 302, 170, -524, -254, 852, 422, -1406, -706, 2256, 1144, -3550, -1796, 5628, 2710, -8670, -4254, 13190, 6650, -20118, -9842, 30200, 14618, -44874, -22014, 66376, 32590, -97350, -47398, 141788, 68668]