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) |
|---|---|
| 6 | 203 |
| 7 | 3396 |
| 8 | 32835 |
| 9 | 240012 |
| 10 | 1470702 |
| 11 | 7966632 |
| 12 | 39371078 |
| 13 | 181183512 |
| 14 | 787459878 |
| 15 | 3265329848 |
| 16 | 13017110235 |
| 17 | 50179023594 |
| 18 | 187903789762 |
| 19 | 686026805988 |
| 20 | 2449214057754 |
| 21 | 8571407147468 |
| 22 | 29464524350559 |
| 23 | 99657684426138 |
| 24 | 332136267690149 |
| 25 | 1092082375636980 |
| 26 | 3546446343936000 |