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) |
|---|---|
| 0 | 377 |
| 1 | 377 |
| 2 | 6765 |
| 3 | 17711 |
| 4 | 75025 |
| 5 | 5702887 |
| 6 | 267914296 |
| 7 | 2971215073 |
| 8 | 701408733 |
| 9 | 7778742049 |
| 10 | 27777890035288 |
| 11 | 27777890035288 |
| 12 | 17167680177565 |
| 13 | 72723460248141 |
| 14 | 51680708854858323072 |
| 15 | 37889062373143906 |
| 16 | 679891637638612258 |