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 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 61 |
| 5 | 90 |
| 6 | 92 |
| 7 | 269 |
| 8 | 298 |
| 9 | 321 |
| 10 | 371 |
| 11 | 776 |
| 12 | 1567 |
| 13 | 2384 |
| 14 | 2566 |
| 15 | 3088 |
| 16 | 5866 |
| 17 | 8051 |
| 18 | 9498 |
| 19 | 12635 |
| 20 | 24512 |
| 21 | 32521 |
| 22 | 43982 |