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 | 12 |
| 2 | 4 |
| 3 | 216 |
| 4 | 45 |
| 5 | 9 |
| 6 | 5248 |
| 7 | 816 |
| 8 | 112 |
| 9 | 16 |
| 10 | 160675 |
| 11 | 20225 |
| 12 | 2200 |
| 13 | 225 |
| 14 | 25 |
| 15 | 5931540 |
| 16 | 632700 |
| 17 | 58176 |
| 18 | 4860 |
| 19 | 396 |
| 20 | 36 |
| 21 | 256182290 |
| 22 | 23836540 |
| 23 | 1920163 |
| 24 | 138817 |
| 25 | 9408 |
| 26 | 637 |
| 27 | 49 |
| 28 | 12665445248 |
| 29 | 1048592640 |
| 30 | 75683648 |
| 31 | 4886464 |
| 32 | 290816 |
| 33 | 16576 |
| 34 | 960 |
| 35 | 64 |