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 | 22 |
| 13 | 494 |
| 14 | 626 |
| 15 | 676 |
| 16 | 1001 |
| 17 | 6886 |
| 18 | 7887 |
| 19 | 8338 |
| 20 | 9339 |
| 21 | 622226 |
| 22 | 626626 |
| 23 | 2828282 |
| 24 | 2859582 |
| 25 | 3304033 |
| 26 | 3309033 |
| 27 | 3330333 |
| 28 | 3335333 |
| 29 | 3361633 |
| 30 | 3366633 |
| 31 | 3392933 |
| 32 | 3397933 |
| 33 | 6603066 |
| 34 | 6608066 |
| 35 | 6634366 |
| 36 | 6639366 |
| 37 | 8986898 |
| 38 | 9400049 |
| 39 | 9405049 |
| 40 | 9431349 |
| 41 | 9436349 |
| 42 | 9462649 |
| 43 | 9467649 |
| 44 | 9493949 |
| 45 | 9498949 |