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 | 181 |
| 13 | 555 |
| 14 | 616 |
| 15 | 676 |
| 16 | 737 |
| 17 | 797 |
| 18 | 1111 |
| 19 | 8008 |
| 20 | 35953 |
| 21 | 43934 |
| 22 | 88888 |
| 23 | 646646 |
| 24 | 3192913 |
| 25 | 5641465 |
| 26 | 8364638 |
| 27 | 9963699 |
| 28 | 133373331 |
| 29 | 139979931 |
| 30 | 293373392 |
| 31 | 520020025 |
| 32 | 713171317 |
| 33 | 796212697 |
| 34 | 1393223931 |