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 | 287618651 |
| 2 | 1386406515 |
| 3 | 1763135232 |
| 4 | 2494769760 |
| 5 | 2619898293 |
| 6 | 3096064443 |
| 7 | 3291315732 |
| 8 | 3749564512 |
| 9 | 4045994624 |
| 10 | 5142310350 |
| 11 | 5183605813 |
| 12 | 5658934676 |
| 13 | 5880926107 |
| 14 | 7205217018 |
| 15 | 7401155424 |
| 16 | 7691215599 |
| 17 | 8429499101 |
| 18 | 8926086432 |
| 19 | 9006349824 |
| 20 | 9051501568 |
| 21 | 9203796832 |