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 | 0 |
| 2 | 0 |
| 3 | 52 |
| 4 | 176 |
| 5 | 372 |
| 6 | 640 |
| 7 | 980 |
| 8 | 1392 |
| 9 | 1876 |
| 10 | 2432 |
| 11 | 3060 |
| 12 | 3760 |
| 13 | 4532 |
| 14 | 5376 |
| 15 | 6292 |
| 16 | 7280 |
| 17 | 8340 |
| 18 | 9472 |
| 19 | 10676 |
| 20 | 11952 |
| 21 | 13300 |
| 22 | 14720 |
| 23 | 16212 |
| 24 | 17776 |
| 25 | 19412 |
| 26 | 21120 |
| 27 | 22900 |
| 28 | 24752 |
| 29 | 26676 |
| 30 | 28672 |