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 | 9 |
| 2 | 10 |
| 3 | 9854 |
| 4 | 411933209 |
| 5 | 9443035090314 |
| 6 | 29851116744790 |
| 7 | 30195643554810 |
| 8 | 3423114221246070 |