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 | 5 |
| 1 | 61 |
| 2 | 331 |
| 3 | 1211 |
| 4 | 3486 |
| 5 | 8526 |
| 6 | 18522 |
| 7 | 36762 |
| 8 | 67947 |
| 9 | 118547 |
| 10 | 197197 |
| 11 | 315133 |
| 12 | 486668 |
| 13 | 729708 |
| 14 | 1066308 |
| 15 | 1523268 |
| 16 | 2132769 |
| 17 | 2933049 |
| 18 | 3969119 |
| 19 | 5293519 |
| 20 | 6967114 |
| 21 | 9059930 |
| 22 | 11652030 |
| 23 | 14834430 |
| 24 | 18710055 |
| 25 | 23394735 |