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 | 1 |
| 1 | 168 |
| 2 | 192528 |
| 3 | 16815456 |
| 4 | 397786704 |
| 5 | 4630192560 |
| 6 | 34416639936 |
| 7 | 187487122368 |
| 8 | 814893967440 |
| 9 | 2975532395976 |
| 10 | 9486531825120 |
| 11 | 27053035734816 |
| 12 | 70486174680768 |
| 13 | 169930998266736 |
| 14 | 384163653863808 |