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.

A280421 G.f.: Product_{k>=1} (1 + x^(k*(k+1)/2)) / (1 - x^k).

Table of values

n a(n)
0 1
1 2
2 3
3 6
4 10
5 15
6 24
7 36
8 52
9 76
10 109
11 152
12 211
13 290
14 393
15 530
16 709
17 938
18 1236
19 1618
20 2102
21 2720
22 3500
23 4477
24 5707
25 7242
26 9146
27 11511
28 14435
29 18030
30 22451
31 27868
32 34476
33 42531
34 52324
35 64186
36 78541
37 95867
38 116721
39 141791
40 171862
41 207844
42 250846
43 302134

List of values

[1, 2, 3, 6, 10, 15, 24, 36, 52, 76, 109, 152, 211, 290, 393, 530, 709, 938, 1236, 1618, 2102, 2720, 3500, 4477, 5707, 7242, 9146, 11511, 14435, 18030, 22451, 27868, 34476, 42531, 52324, 64186, 78541, 95867, 116721, 141791, 171862, 207844, 250846, 302134]