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) |
|---|---|
| 0 | 0 |
| 1 | 14 |
| 2 | 35 |
| 3 | 54 |
| 4 | 81 |
| 5 | 135 |
| 6 | 667 |
| 7 | 2532 |
| 8 | 130883 |
| 9 | 499407 |
| 10 | 397912927 |
| 11 | 18693488093783 |
| 12 | 82092087348200531993 |
| 13 | 3393205899117928970481629894345 |