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 | 65 |
| 2 | 4225 |
| 3 | 167473 |
| 4 | 6254245 |
| 5 | 247434731 |
| 6 | 9879008482 |
| 7 | 394122762759 |
| 8 | 15741481568133 |
| 9 | 628654322665216 |
| 10 | 25107774055994272 |
| 11 | 1002781006865748277 |
| 12 | 40050163212918655689 |
| 13 | 1599569923398798013092 |
| 14 | 63885462706897834709856 |