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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 11 |
| 12 | 666 |
| 13 | 838 |
| 14 | 1771 |
| 15 | 432234 |
| 16 | 864468 |
| 17 | 1551551 |
| 18 | 1897981 |
| 19 | 2211122 |
| 20 | 155292551 |
| 21 | 330050033 |
| 22 | 453848354 |
| 23 | 467535764 |
| 24 | 650767056 |
| 25 | 666909666 |
| 26 | 857383758 |
| 27 | 863828368 |
| 28 | 47069796074 |
| 29 | 62558085526 |
| 30 | 67269596276 |
| 31 | 87161116178 |
| 32 | 96060106069 |
| 33 | 121791197121 |
| 34 | 127673376721 |
| 35 | 139103301931 |
| 36 | 234595595432 |
| 37 | 246025520642 |