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 | 4 |
| 2 | 185 |
| 3 | 206 |
| 4 | 209 |
| 5 | 27681 |
| 6 | 3066905 |
| 7 | 3067135 |
| 8 | 3067795 |
| 9 | 3067985 |
| 10 | 348933197 |
| 11 | 348933239 |
| 12 | 348933251 |
| 13 | 348933257 |
| 14 | 348933269 |
| 15 | 44690978141 |
| 16 | 44690978162 |
| 17 | 44690978519 |
| 18 | 44690978561 |
| 19 | 44690978617 |
| 20 | 44690978869 |
| 21 | 44690978981 |
| 22 | 44690979457 |
| 23 | 44690979527 |
| 24 | 6553736049293 |