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 | 443687580 |
| 2 | 591655080 |
| 3 | 1313813550 |
| 4 | 2868131100 |
| 5 | 3525848580 |
| 6 | 3598823970 |
| 7 | 4453413120 |
| 8 | 6075076800 |
| 9 | 6644124480 |
| 10 | 7429693770 |
| 11 | 9399746580 |
| 12 | 11801410530 |
| 13 | 12450590250 |