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) |
|---|---|
| 3 | 529 |
| 4 | 5041 |
| 5 | 50176 |
| 6 | 501264 |
| 7 | 5004169 |
| 8 | 50013184 |
| 9 | 500014321 |
| 10 | 5000045521 |
| 11 | 50000090449 |
| 12 | 500000309449 |
| 13 | 5000000100624 |
| 14 | 50000002660624 |
| 15 | 500000010062400 |
| 16 | 5000000124641041 |
| 17 | 50000000111812804 |
| 18 | 500000001150395524 |