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 | 78125 |
| 1 | 105413504 |
| 2 | 3404825447 |
| 3 | 34359738368 |
| 4 | 194754273881 |
| 5 | 781250000000 |
| 6 | 2488651484819 |
| 7 | 6722988818432 |
| 8 | 16048523266853 |
| 9 | 34792782221696 |
| 10 | 69833729609375 |
| 11 | 131593177923584 |
| 12 | 235260548044817 |
| 13 | 402271083010688 |