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 | 461 |
| 8 | 7102 |
| 9 | 103397 |
| 10 | 1479242 |
| 11 | 21244523 |
| 12 | 310353510 |
| 13 | 4653395194 |
| 14 | 72084982176 |
| 15 | 1159451127978 |