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 | 1 |
| 2 | 27 |
| 3 | 83 |
| 4 | 343 |
| 5 | 399 |
| 6 | 791 |
| 7 | 1183 |
| 8 | 3375 |
| 9 | 3431 |
| 10 | 3823 |
| 11 | 4215 |
| 12 | 6959 |
| 13 | 7351 |
| 14 | 10095 |
| 15 | 12839 |
| 16 | 29791 |
| 17 | 29847 |
| 18 | 30239 |
| 19 | 30631 |
| 20 | 33375 |
| 21 | 33767 |
| 22 | 36511 |
| 23 | 39255 |
| 24 | 58463 |
| 25 | 58855 |
| 26 | 61599 |
| 27 | 64343 |
| 28 | 83551 |
| 29 | 86295 |
| 30 | 105503 |
| 31 | 124711 |
| 32 | 250047 |
| 33 | 250103 |
| 34 | 250495 |
| 35 | 250887 |
| 36 | 253631 |
| 37 | 254023 |
| 38 | 256767 |
| 39 | 259511 |