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 | 15 |
| 2 | 93 |
| 3 | 372 |
| 4 | 1141 |
| 5 | 2926 |
| 6 | 6594 |
| 7 | 13476 |
| 8 | 25509 |
| 9 | 45397 |
| 10 | 76791 |
| 11 | 124488 |
| 12 | 194649 |
| 13 | 295036 |
| 14 | 435268 |
| 15 | 627096 |
| 16 | 884697 |
| 17 | 1224987 |
| 18 | 1667953 |
| 19 | 2237004 |
| 20 | 2959341 |
| 21 | 3866346 |
| 22 | 4993990 |
| 23 | 6383260 |
| 24 | 8080605 |
| 25 | 10138401 |
| 26 | 12615435 |
| 27 | 15577408 |
| 28 | 19097457 |
| 29 | 23256696 |