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 | 5 |
| 2 | 17 |
| 3 | 1277 |
| 4 | 4217 |
| 5 | 21587 |
| 6 | 91127 |
| 7 | 103967 |
| 8 | 113147 |
| 9 | 122027 |
| 10 | 236867 |
| 11 | 342047 |
| 12 | 422087 |
| 13 | 524957 |
| 14 | 560477 |
| 15 | 626597 |
| 16 | 754967 |
| 17 | 797567 |
| 18 | 909317 |
| 19 | 997097 |
| 20 | 1322147 |
| 21 | 1493717 |
| 22 | 1698857 |
| 23 | 1748027 |
| 24 | 1762907 |
| 25 | 2144477 |
| 26 | 2158577 |
| 27 | 2228507 |
| 28 | 2398157 |
| 29 | 2580647 |
| 30 | 2615957 |