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 | 13 |
| 2 | 608 |
| 3 | 5763 |
| 4 | 86139 |
| 5 | 1898178 |
| 6 | 29067775 |
| 7 | 482228052 |
| 8 | 8786244680 |
| 9 | 148081034460 |
| 10 | 2527093956658 |
| 11 | 44081436520906 |
| 12 | 756410616073885 |
| 13 | 13001520369777372 |
| 14 | 224610561730578221 |
| 15 | 3867018822679814785 |
| 16 | 66587006212100036798 |