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.

A122129 Expansion of 1 + Sum_{k>0} x^k^2/((1-x)(1-x^2)...(1-x^(2k))).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 4
6 5
7 7
8 9
9 12
10 15
11 19
12 24
13 30
14 37
15 46
16 57
17 69
18 84
19 102
20 123
21 148
22 177
23 211
24 252
25 299
26 353
27 417
28 491
29 576
30 675
31 789
32 920
33 1071
34 1244
35 1442
36 1670
37 1929
38 2224
39 2562
40 2946
41 3381
42 3876
43 4437
44 5072
45 5791
46 6602
47 7517
48 8551
49 9714
50 11021
51 12493
52 14145

List of values

[1, 1, 1, 2, 3, 4, 5, 7, 9, 12, 15, 19, 24, 30, 37, 46, 57, 69, 84, 102, 123, 148, 177, 211, 252, 299, 353, 417, 491, 576, 675, 789, 920, 1071, 1244, 1442, 1670, 1929, 2224, 2562, 2946, 3381, 3876, 4437, 5072, 5791, 6602, 7517, 8551, 9714, 11021, 12493, 14145]