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 | 2 |
| 2 | 67 |
| 3 | 157 |
| 4 | 3217 |
| 5 | 3637 |
| 6 | 4201 |
| 7 | 231947 |
| 8 | 2790569 |
| 9 | 30116309 |
| 10 | 12021325961 |
| 11 | 26144296151 |
| 12 | 1380187561637 |
| 13 | 6549419699279 |
| 14 | 735325088697473 |
| 15 | 1746583001138813 |
| 16 | 68725636353488501 |