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 | 3 |
| 2 | 36 |
| 3 | 648 |
| 4 | 12467 |
| 5 | 238366 |
| 6 | 4480391 |
| 7 | 83124099 |
| 8 | 1530419762 |
| 9 | 28072690614 |
| 10 | 514262753781 |
| 11 | 9420094252771 |