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.

A303667 Expansion of 2/((1 - x)*(3 - theta_3(x))), where theta_3() is the Jacobi theta function.

Table of values

n a(n)
0 1
1 2
2 3
3 4
4 6
5 9
6 13
7 18
8 25
9 36
10 52
11 74
12 104
13 147
14 209
15 297
16 421
17 596
18 845
19 1199
20 1701
21 2411
22 3417
23 4844
24 6868
25 9738
26 13806
27 19573
28 27749
29 39342
30 55778
31 79079
32 112112
33 158944
34 225342
35 319479
36 452941
37 642152
38 910404
39 1290719
40 1829911
41 2594344
42 3678108
43 5214606
44 7392970
45 10481335

List of values

[1, 2, 3, 4, 6, 9, 13, 18, 25, 36, 52, 74, 104, 147, 209, 297, 421, 596, 845, 1199, 1701, 2411, 3417, 4844, 6868, 9738, 13806, 19573, 27749, 39342, 55778, 79079, 112112, 158944, 225342, 319479, 452941, 642152, 910404, 1290719, 1829911, 2594344, 3678108, 5214606, 7392970, 10481335]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.