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 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 4 |
| 7 | 0 |
| 8 | 1 |
| 9 | 10 |
| 10 | 24 |
| 11 | 27 |
| 12 | 16 |
| 13 | 12 |
| 14 | 0 |
| 15 | 1 |
| 16 | 297 |
| 17 | 672 |
| 18 | 736 |
| 19 | 480 |
| 20 | 246 |
| 21 | 64 |
| 22 | 24 |
| 23 | 0 |
| 24 | 1 |
| 25 | 13756 |
| 26 | 30480 |
| 27 | 32365 |
| 28 | 21760 |
| 29 | 10300 |
| 30 | 3568 |
| 31 | 970 |
| 32 | 160 |
| 33 | 40 |
| 34 | 0 |
| 35 | 1 |
| 36 | 925705 |
| 37 | 2016480 |
| 38 | 2116836 |
| 39 | 1418720 |
| 40 | 677655 |
| 41 | 243360 |
| 42 | 67920 |
| 43 | 14688 |
| 44 | 2655 |
| 45 | 320 |
| 46 | 60 |
| 47 | 0 |
| 48 | 1 |