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 | 60 |
| 2 | 518 |
| 3 | 6730 |
| 4 | 78690 |
| 5 | 956866 |
| 6 | 11441370 |
| 7 | 138118032 |
| 8 | 1657198220 |
| 9 | 19969628086 |
| 10 | 239888727922 |
| 11 | 2888372417962 |
| 12 | 34717775838484 |
| 13 | 417835837510270 |
| 14 | 5023955278338394 |
| 15 | 60449751205860716 |
| 16 | 726964181424486002 |