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 | 64 |
| 4 | 925 |
| 5 | 2976 |
| 6 | 93457 |
| 7 | 866272 |
| 8 | 11025 |
| 9 | 3036880 |
| 10 | 18412718645101 |
| 11 | 9283470627432 |
| 12 | 201580440699781 |
| 13 | 92839099743040 |
| 14 | 5236660451226975 |
| 15 | 66779973961058176 |