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 | 12 |
| 2 | 30 |
| 3 | 56 |
| 4 | 424 |
| 5 | 992 |
| 6 | 16256 |
| 7 | 58288 |
| 8 | 119984 |
| 9 | 356992 |
| 10 | 1194649 |
| 11 | 9973504 |
| 12 | 12327121 |
| 13 | 13141696 |
| 14 | 22891184 |
| 15 | 67100672 |
| 16 | 233850649 |