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 | 14 |
| 3 | 230 |
| 4 | 7314 |
| 5 | 378014 |
| 6 | 11243154 |
| 7 | 965009045 |
| 8 | 65893166030 |
| 9 | 5702759516090 |
| 10 | 605247139068494 |
| 11 | 78971815814237709 |
| 12 | 22593106657425552170 |