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.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 4 |
6 | 11 |
7 | 28 |
8 | 87 |
9 | 266 |
10 | 952 |
11 | 3381 |
12 | 13513 |
13 | 53915 |
14 | 237113 |
15 | 1046732 |
16 | 5016728 |
17 | 24186664 |
18 | 125121009 |
19 | 652084528 |
20 | 3615047527 |
21 | 20211789423 |
22 | 119384499720 |
23 | 711572380960 |
24 | 4455637803543 |
25 | 28162688795697 |
26 | 186152008588691 |
27 | 1242276416218540 |
28 | 8636436319397292 |