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 | 0 |
| 1 | 1 |
| 2 | 16896 |
| 3 | 7203978 |
| 4 | 537395200 |
| 5 | 15263671875 |
| 6 | 235122725376 |
| 7 | 2373921992596 |
| 8 | 17592722915328 |
| 9 | 102947309439525 |
| 10 | 500005000000000 |
| 11 | 2088637053420126 |
| 12 | 7703541745975296 |
| 13 | 25593015436291303 |
| 14 | 77784192406233600 |