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 | 69 |
| 4 | 1719 |
| 5 | 3555 |
| 6 | 8535 |
| 7 | 8625 |
| 8 | 9765 |
| 9 | 10065 |
| 10 | 17955 |
| 11 | 27939 |
| 12 | 32319 |
| 13 | 34209 |
| 14 | 35445 |
| 15 | 39159 |
| 16 | 44769 |
| 17 | 47415 |
| 18 | 55329 |
| 19 | 56235 |
| 20 | 75615 |
| 21 | 85929 |
| 22 | 91965 |
| 23 | 96219 |
| 24 | 97545 |
| 25 | 98895 |
| 26 | 122385 |
| 27 | 122595 |
| 28 | 138075 |
| 29 | 142695 |
| 30 | 143649 |
| 31 | 145719 |
| 32 | 152025 |
| 33 | 191829 |
| 34 | 192975 |
| 35 | 197955 |
| 36 | 200379 |
| 37 | 201819 |
| 38 | 202059 |