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 | 0 |
| 4 | 340 |
| 5 | 3060 |
| 6 | 10320 |
| 7 | 24892 |
| 8 | 46412 |
| 9 | 75567 |
| 10 | 111492 |
| 11 | 154187 |
| 12 | 203652 |
| 13 | 259887 |
| 14 | 322892 |
| 15 | 392667 |
| 16 | 469212 |
| 17 | 552527 |
| 18 | 642612 |
| 19 | 739467 |
| 20 | 843092 |
| 21 | 953487 |
| 22 | 1070652 |
| 23 | 1194587 |
| 24 | 1325292 |
| 25 | 1462767 |
| 26 | 1607012 |
| 27 | 1758027 |
| 28 | 1915812 |
| 29 | 2080367 |
| 30 | 2251692 |
| 31 | 2429787 |
| 32 | 2614652 |