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 | 1 |
2 | 4 |
3 | 28 |
4 | 280 |
5 | 3639 |
6 | 57996 |
7 | 1093795 |
8 | 23821104 |
9 | 588282772 |
10 | 16243898516 |
11 | 495894495629 |
12 | 16584179388232 |
13 | 602955889304341 |
14 | 23678788166350620 |
15 | 998882687260157956 |
16 | 45047554811998482016 |
17 | 2162775743390757357579 |
18 | 110136661581764181626660 |
19 | 5929361362606879245799055 |
20 | 336484778280758295928357240 |