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 | 503 |
| 2 | 15803 |
| 3 | 35287433 |
| 4 | 106954091 |
| 5 | 3024050339 |
| 6 | 3661922443 |
| 7 | 7223017657 |
| 8 | 10412687891 |
| 9 | 11190761311 |
| 10 | 12004517137 |
| 11 | 25886083477 |
| 12 | 36501131837 |
| 13 | 40690306883 |
| 14 | 47519791211 |
| 15 | 49942559767 |
| 16 | 63631102747 |
| 17 | 84230864741 |