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) |
|---|---|
| 0 | 4 |
| 1 | 5 |
| 2 | 44 |
| 3 | 49 |
| 4 | 436 |
| 5 | 485 |
| 6 | 4316 |
| 7 | 4801 |
| 8 | 42724 |
| 9 | 47525 |
| 10 | 422924 |
| 11 | 470449 |
| 12 | 4186516 |
| 13 | 4656965 |
| 14 | 41442236 |
| 15 | 46099201 |
| 16 | 410235844 |
| 17 | 456335045 |
| 18 | 4060916204 |
| 19 | 4517251249 |
| 20 | 40198926196 |
| 21 | 44716177445 |
| 22 | 397928345756 |