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 | 7 |
| 3 | 11 |
| 4 | 383 |
| 5 | 38783 |
| 6 | 76367 |
| 7 | 3016103 |
| 8 | 3218123 |
| 9 | 3256523 |
| 10 | 7434347 |
| 11 | 7832387 |
| 12 | 323070323 |
| 13 | 323676323 |
| 14 | 341292143 |
| 15 | 345494543 |
| 16 | 365898563 |
| 17 | 381818183 |
| 18 | 705818507 |
| 19 | 709696907 |
| 20 | 721636127 |
| 21 | 729272927 |
| 22 | 30105250103 |
| 23 | 30301610303 |
| 24 | 30507270503 |