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) |
|---|---|
| 5 | 1 |
| 6 | 26 |
| 7 | 460 |
| 8 | 7066 |
| 9 | 102595 |
| 10 | 1464870 |
| 11 | 21016266 |
| 12 | 306985344 |
| 13 | 4605989539 |
| 14 | 71438420743 |
| 15 | 1150819170703 |