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 | 177147 |
| 1 | 1977326743 |
| 2 | 285311670611 |
| 3 | 8649755859375 |
| 4 | 116490258898219 |
| 5 | 952809757913927 |
| 6 | 5559060566555523 |
| 7 | 25408476896404831 |
| 8 | 96549157373046875 |
| 9 | 317475837322472439 |
| 10 | 929293739471222707 |
| 11 | 2472159215084012303 |
| 12 | 6071163615208263051 |
| 13 | 13931233916552734375 |