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.

A197707 G.f.: A(x) = 1 + Sum_{n>=1} x^(n^2) * ((1-x)^n + 1/(1-x)^n).

Table of values

n a(n)
0 1
1 2
2 0
3 1
4 3
5 1
6 5
7 5
8 6
9 9
10 8
11 18
12 19
13 26
14 33
15 41
16 52
17 60
18 87
19 99
20 132
21 166
22 209
23 261
24 323
25 398
26 481
27 604
28 716
29 893
30 1086
31 1331
32 1629
33 1991
34 2428
35 2952
36 3578
37 4314
38 5217
39 6229
40 7508
41 8967
42 10737
43 12838
44 15345
45 18334
46 21894
47 26127
48 31149
49 37093
50 44100

List of values

[1, 2, 0, 1, 3, 1, 5, 5, 6, 9, 8, 18, 19, 26, 33, 41, 52, 60, 87, 99, 132, 166, 209, 261, 323, 398, 481, 604, 716, 893, 1086, 1331, 1629, 1991, 2428, 2952, 3578, 4314, 5217, 6229, 7508, 8967, 10737, 12838, 15345, 18334, 21894, 26127, 31149, 37093, 44100]