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 | 5 |
| 4 | 30 |
| 5 | 35 |
| 6 | 60 |
| 7 | 116 |
| 8 | 228 |
| 9 | 338 |
| 10 | 3164 |
| 11 | 3957 |
| 12 | 5276 |
| 13 | 5342 |
| 14 | 6078 |
| 15 | 6534 |
| 16 | 8484 |
| 17 | 15083 |
| 18 | 34536 |