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 | 2 |
| 3 | 8 |
| 4 | 1402 |
| 5 | 3579 |
| 6 | 4111 |
| 7 | 5289 |
| 8 | 6383 |
| 9 | 6467 |
| 10 | 15146 |
| 11 | 32141 |
| 12 | 41910 |
| 13 | 82849 |
| 14 | 110088 |
| 15 | 127531 |
| 16 | 185114 |
| 17 | 1320338 |
| 18 | 1467242 |
| 19 | 5739729 |
| 20 | 22507473 |
| 21 | 32494198 |