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) |
|---|---|
| 9 | 44449 |
| 10 | 900001 |
| 11 | 7000003 |
| 12 | 20000003 |
| 13 | 30000001 |
| 14 | 100000007 |
| 15 | 500000003 |
| 16 | 1000000007 |
| 17 | 6000000001 |