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 | 3 |
| 3 | 13 |
| 4 | 47 |
| 5 | 463 |
| 6 | 2917 |
| 7 | 30103 |
| 8 | 241727 |
| 9 | 3202337 |
| 10 | 26066087 |
| 11 | 455081827 |
| 12 | 7349346113 |
| 13 | 122872146223 |
| 14 | 2523038248697 |
| 15 | 28435279521433 |
| 16 | 119919330795347 |