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 | 0 |
| 1 | 11 |
| 2 | 12 |
| 3 | 337 |
| 4 | 352 |
| 5 | 631 |
| 6 | 632 |
| 7 | 1307 |
| 8 | 1308 |
| 9 | 4959 |
| 10 | 4968 |
| 11 | 7341 |
| 12 | 7344 |
| 13 | 13567 |
| 14 | 13592 |
| 15 | 91313 |
| 16 | 91320 |
| 17 | 686265 |
| 18 | 686274 |
| 19 | 5086881 |
| 20 | 5086888 |
| 21 | 12998759 |
| 22 | 12998768 |
| 23 | 17434615 |
| 24 | 17434644 |
| 25 | 17623923 |
| 26 | 17623928 |
| 27 | 42146393 |
| 28 | 42146394 |
| 29 | 52705447 |
| 30 | 52705464 |