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) |
|---|---|
| 1 | 1 |
| 2 | 127 |
| 3 | 4448 |
| 4 | 175865 |
| 5 | 3558888 |
| 6 | 76714325 |
| 7 | 1001060834 |
| 8 | 13053459189 |
| 9 | 126679336122 |
| 10 | 1146503112430 |
| 11 | 8486668894331 |
| 12 | 60373612028710 |
| 13 | 361132659179512 |