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 | 0 |
| 2 | 2 |
| 3 | 27 |
| 4 | 314 |
| 5 | 3217 |
| 6 | 31699 |
| 7 | 308774 |
| 8 | 2987107 |
| 9 | 28824402 |
| 10 | 277779084 |
| 11 | 2674980022 |
| 12 | 25752370493 |
| 13 | 247919235555 |
| 14 | 2387154761520 |