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 | 24 |
| 1 | 25 |
| 2 | 49 |
| 3 | 319 |
| 4 | 368 |
| 5 | 687 |
| 6 | 33344 |
| 7 | 34031 |
| 8 | 67375 |
| 9 | 438281 |
| 10 | 505656 |
| 11 | 943937 |
| 12 | 45814632 |
| 13 | 46758569 |
| 14 | 92573201 |
| 15 | 602197775 |
| 16 | 694770976 |
| 17 | 1296968751 |
| 18 | 62949271024 |
| 19 | 64246239775 |
| 20 | 127195510799 |
| 21 | 827419304569 |
| 22 | 954614815368 |
| 23 | 1782034119937 |
| 24 | 86492252572344 |
| 25 | 88274286692281 |