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 | 4 |
| 2 | 1 |
| 3 | 12 |
| 4 | 8 |
| 5 | 1 |
| 6 | 44 |
| 7 | 40 |
| 8 | 12 |
| 9 | 1 |
| 10 | 172 |
| 11 | 176 |
| 12 | 84 |
| 13 | 16 |
| 14 | 1 |
| 15 | 772 |
| 16 | 748 |
| 17 | 468 |
| 18 | 144 |
| 19 | 20 |
| 20 | 1 |
| 21 | 3308 |
| 22 | 3248 |
| 23 | 2332 |
| 24 | 984 |
| 25 | 220 |
| 26 | 24 |
| 27 | 1 |
| 28 | 14924 |
| 29 | 14280 |
| 30 | 11068 |
| 31 | 5756 |
| 32 | 1788 |
| 33 | 312 |
| 34 | 28 |
| 35 | 1 |
| 36 | 64956 |
| 37 | 63768 |
| 38 | 51472 |
| 39 | 30760 |
| 40 | 12108 |
| 41 | 2944 |
| 42 | 420 |
| 43 | 32 |
| 44 | 1 |
| 45 | 294252 |
| 46 | 285296 |
| 47 | 237832 |
| 48 | 155912 |
| 49 | 72948 |
| 50 | 22732 |
| 51 | 4516 |