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 | 3 |
| 2 | 23 |
| 3 | 71 |
| 4 | 757 |
| 5 | 30671 |
| 6 | 1383331 |
| 7 | 245273927 |
| 8 | 3362110459 |
| 9 | 107752663194272623 |
| 10 | 5117886516250502670227 |
| 11 | 34633371587745726679416744736000996167729085703 |
| 12 | 114326045625240879227044995173712991937709388241980425799 |