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 | 1 |
| 2 | 12 |
| 3 | 36 |
| 4 | 192 |
| 5 | 250 |
| 6 | 1258 |
| 7 | 1872 |
| 8 | 1992 |
| 9 | 3544 |
| 10 | 2952 |
| 11 | 3576 |
| 12 | 3756 |
| 13 | 2016 |
| 14 | 1764 |
| 15 | 4356 |
| 16 | 2268 |
| 17 | 2376 |
| 18 | 2472 |
| 19 | 2280 |
| 20 | 5184 |
| 21 | 2988 |
| 22 | 11736 |
| 23 | 11832 |
| 24 | 12168 |
| 25 | 13200 |
| 26 | 10258 |
| 27 | 20176 |
| 28 | 10528 |
| 29 | 21472 |
| 30 | 15228 |
| 31 | 12596 |
| 32 | 12958 |
| 33 | 12576 |
| 34 | 19872 |
| 35 | 16384 |
| 36 | 33568 |
| 37 | 12348 |
| 38 | 35440 |
| 39 | 14256 |
| 40 | 44512 |