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 | 0 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 20 |
5 | 81 |
6 | 438 |
7 | 2477 |
8 | 16680 |
9 | 120481 |
10 | 973034 |
11 | 8496245 |
12 | 80252732 |
13 | 817734321 |
14 | 8859646110 |
15 | 102873611549 |
16 | 1258403748432 |
17 | 16372688411713 |
18 | 223202277906386 |
19 | 3213260867586149 |
20 | 48295209177888356 |
21 | 761792907575450385 |
22 | 12510350648500199814 |
23 | 214507625428065409805 |