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 | 1 |
| 2 | 7 |
| 3 | 8743 |
| 4 | 50239 |
| 5 | 312389 |
| 6 | 8789977 |
| 7 | 87453889 |
| 8 | 96301009 |
| 9 | 3963715129 |
| 10 | 5062673539 |
| 11 | 6854133309107 |
| 12 | 16987071590111 |
| 13 | 72278468169733 |
| 14 | 411419589731633 |
| 15 | 590475819370933 |