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 | 54023 |
| 2 | 54203 |
| 3 | 55868 |
| 4 | 500407 |
| 5 | 556744 |
| 6 | 769858 |
| 7 | 1187666 |
| 8 | 1566986 |
| 9 | 1875098 |
| 10 | 3545924 |
| 11 | 5594156 |
| 12 | 5733406 |
| 13 | 5849014 |
| 14 | 5908304 |
| 15 | 6100594 |
| 16 | 6712006 |
| 17 | 7605544 |
| 18 | 9106868 |
| 19 | 9580654 |
| 20 | 10909864 |
| 21 | 23456789 |
| 22 | 23458679 |
| 23 | 23459687 |
| 24 | 23465789 |
| 25 | 23465987 |
| 26 | 23469587 |
| 27 | 23475869 |
| 28 | 23478569 |
| 29 | 23489657 |