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 | 41 |
| 2 | 763 |
| 3 | 14080 |
| 4 | 244397 |
| 5 | 4097199 |
| 6 | 66954420 |
| 7 | 1073436321 |
| 8 | 16957258387 |
| 9 | 264744926212 |
| 10 | 4093941136805 |
| 11 | 62806688095479 |
| 12 | 957111538353668 |
| 13 | 14502245681077257 |
| 14 | 218656000387543867 |
| 15 | 3282569954305098964 |