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 | 68 |
| 2 | 723 |
| 3 | 3882 |
| 4 | 14455 |
| 5 | 42744 |
| 6 | 107777 |
| 7 | 241718 |
| 8 | 495495 |
| 9 | 945790 |
| 10 | 1703537 |
| 11 | 2924076 |
| 12 | 4819113 |
| 13 | 7670638 |
| 14 | 11846955 |
| 15 | 17820980 |
| 16 | 26190965 |
| 17 | 37703808 |
| 18 | 53281111 |
| 19 | 74048150 |
| 20 | 101365923 |
| 21 | 136866444 |
| 22 | 182491453 |
| 23 | 240534714 |
| 24 | 313688075 |
| 25 | 405091466 |
| 26 | 518387013 |