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 | 19 |
| 5 | 29 |
| 6 | 37 |
| 7 | 93 |
| 8 | 935 |
| 9 | 8415 |
| 10 | 9631 |
| 11 | 11143 |
| 12 | 41475 |
| 13 | 41917 |
| 14 | 48051 |
| 15 | 107663 |
| 16 | 212903 |
| 17 | 223871 |
| 18 | 260253 |
| 19 | 364521 |
| 20 | 383643 |
| 21 | 1009567 |
| 22 | 1762063 |