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 | 13 |
| 3 | 19 |
| 4 | 55 |
| 5 | 103 |
| 6 | 121 |
| 7 | 127 |
| 8 | 163 |
| 9 | 253 |
| 10 | 391 |
| 11 | 721 |
| 12 | 793 |
| 13 | 1063 |
| 14 | 1441 |
| 15 | 2719 |
| 16 | 3313 |
| 17 | 9595 |
| 18 | 13045 |
| 19 | 17863 |
| 20 | 21889 |
| 21 | 46243 |
| 22 | 49891 |