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 | 42 |
| 2 | 1764 |
| 3 | 23010 |
| 4 | 364869 |
| 5 | 6614706 |
| 6 | 125165018 |
| 7 | 2433018665 |
| 8 | 47808913432 |
| 9 | 945871724250 |
| 10 | 18776278588295 |
| 11 | 373498284322566 |
| 12 | 7438170735812754 |
| 13 | 148234787507973023 |
| 14 | 2955383526419085268 |
| 15 | 58936982246079930734 |