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 | 4 |
| 2 | 12 |
| 3 | 12 |
| 4 | 36 |
| 5 | 184 |
| 6 | 36 |
| 7 | 108 |
| 8 | 2428 |
| 9 | 2428 |
| 10 | 108 |
| 11 | 324 |
| 12 | 32676 |
| 13 | 143028 |
| 14 | 32676 |
| 15 | 324 |
| 16 | 972 |
| 17 | 443100 |
| 18 | 8196796 |
| 19 | 8196796 |
| 20 | 443100 |
| 21 | 972 |
| 22 | 2916 |
| 23 | 5967248 |
| 24 | 464590190 |
| 25 | 1960824272 |
| 26 | 464590190 |
| 27 | 5967248 |
| 28 | 2916 |
| 29 | 8748 |
| 30 | 80018540 |
| 31 | 26143599304 |
| 32 | 459796683544 |