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 | 0 |
| 2 | 34 |
| 3 | 148 |
| 4 | 6521 |
| 5 | 197883 |
| 6 | 6925085 |
| 7 | 232041425 |
| 8 | 7988200496 |
| 9 | 273193577866 |
| 10 | 9371551715962 |
| 11 | 321126765178608 |
| 12 | 11008960419802432 |
| 13 | 377391950209233884 |
| 14 | 12938484121557779809 |
| 15 | 443585080271258369878 |
| 16 | 15208220842498216076445 |