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 | 8 |
| 2 | 36 |
| 3 | 120 |
| 4 | 252 |
| 5 | 550 |
| 6 | 936 |
| 7 | 1666 |
| 8 | 2280 |
| 9 | 3312 |
| 10 | 5220 |
| 11 | 6820 |
| 12 | 9324 |
| 13 | 11726 |
| 14 | 14448 |
| 15 | 17625 |
| 16 | 22048 |
| 17 | 27081 |
| 18 | 30744 |
| 19 | 38190 |
| 20 | 45440 |
| 21 | 50589 |
| 22 | 59092 |
| 23 | 66815 |
| 24 | 76896 |
| 25 | 92150 |
| 26 | 102414 |
| 27 | 111240 |