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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 36 |
| 5 | 78 |
| 6 | 136 |
| 7 | 210 |
| 8 | 300 |
| 9 | 406 |
| 10 | 528 |
| 11 | 666 |
| 12 | 820 |
| 13 | 990 |
| 14 | 1176 |
| 15 | 1378 |
| 16 | 1596 |
| 17 | 1830 |
| 18 | 2080 |
| 19 | 2346 |
| 20 | 2628 |
| 21 | 2926 |
| 22 | 3240 |
| 23 | 3570 |
| 24 | 3916 |
| 25 | 4278 |
| 26 | 4656 |
| 27 | 5050 |
| 28 | 5460 |
| 29 | 5886 |
| 30 | 6328 |
| 31 | 6786 |
| 32 | 7260 |