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 | 7 |
| 2 | 17 |
| 3 | 89 |
| 4 | 1223 |
| 5 | 5479 |
| 6 | 11257 |
| 7 | 11519 |
| 8 | 12583 |
| 9 | 23081 |
| 10 | 36479 |
| 11 | 52567 |
| 12 | 52919 |
| 13 | 125929 |
| 14 | 365689 |
| 15 | 1127239 |
| 16 | 1148729 |
| 17 | 4533073 |