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 | 22 |
| 4 | 336 |
| 5 | 1422 |
| 6 | 3952 |
| 7 | 8790 |
| 8 | 16992 |
| 9 | 29806 |
| 10 | 48672 |
| 11 | 75222 |
| 12 | 111280 |
| 13 | 158862 |
| 14 | 220176 |
| 15 | 297622 |
| 16 | 393792 |
| 17 | 511470 |
| 18 | 653632 |
| 19 | 823446 |
| 20 | 1024272 |
| 21 | 1259662 |
| 22 | 1533360 |
| 23 | 1849302 |
| 24 | 2211616 |
| 25 | 2624622 |
| 26 | 3092832 |
| 27 | 3620950 |
| 28 | 4213872 |
| 29 | 4876686 |
| 30 | 5614672 |
| 31 | 6433302 |
| 32 | 7338240 |
| 33 | 8335342 |
| 34 | 9430656 |