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 | 1 |
| 2 | 60 |
| 3 | 67 |
| 4 | 68 |
| 5 | 6919 |
| 6 | 613380 |
| 7 | 613426 |
| 8 | 613558 |
| 9 | 613596 |
| 10 | 58155532 |
| 11 | 58155539 |
| 12 | 58155541 |
| 13 | 58155542 |
| 14 | 58155544 |
| 15 | 6384425448 |
| 16 | 6384425451 |
| 17 | 6384425502 |
| 18 | 6384425508 |
| 19 | 6384425516 |
| 20 | 6384425552 |
| 21 | 6384425568 |
| 22 | 6384425636 |
| 23 | 6384425646 |