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 | 34780 |
| 2 | 147895 |
| 3 | 302689 |
| 4 | 449410 |
| 5 | 4801151 |
| 6 | 6717665 |