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) |
|---|---|
| 0 | 27 |
| 1 | 244 |
| 2 | 13203 |
| 3 | 119071 |
| 4 | 6443037 |
| 5 | 58106404 |
| 6 | 3144188853 |
| 7 | 28355806081 |
| 8 | 1534357717227 |
| 9 | 13837575261124 |
| 10 | 748763421817923 |
| 11 | 6752708371622431 |
| 12 | 365395015489429197 |
| 13 | 3295307847776485204 |
| 14 | 178312018795419630213 |