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.

A280424 G.f.: Product_{k>=1} (1 + x^k) / (1 - x^(k*(k+1))).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 4
5 6
6 9
7 12
8 16
9 22
10 28
11 37
12 49
13 62
14 79
15 101
16 125
17 157
18 196
19 241
20 297
21 365
22 443
23 539
24 654
25 787
26 947
27 1137
28 1355
29 1616
30 1923
31 2276
32 2693
33 3179
34 3737
35 4391
36 5149
37 6018
38 7027
39 8191
40 9521
41 11057
42 12822
43 14831
44 17140
45 19779
46 22777
47 26206
48 30110
49 34534

List of values

[1, 1, 2, 3, 4, 6, 9, 12, 16, 22, 28, 37, 49, 62, 79, 101, 125, 157, 196, 241, 297, 365, 443, 539, 654, 787, 947, 1137, 1355, 1616, 1923, 2276, 2693, 3179, 3737, 4391, 5149, 6018, 7027, 8191, 9521, 11057, 12822, 14831, 17140, 19779, 22777, 26206, 30110, 34534]