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 | 6 |
| 2 | 46 |
| 3 | 2952 |
| 4 | 17992 |
| 5 | 19451 |
| 6 | 768 |
| 7 | 1722783 |
| 8 | 36356650 |
| 9 | 564665215 |
| 10 | 20148132320 |
| 11 | 27014073315 |
| 12 | 897831316568 |
| 13 | 10542036048463 |
| 14 | 5758910552723 |