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 | 1 |
| 2 | 8 |
| 3 | 124 |
| 4 | 2400 |
| 5 | 161050 |
| 6 | 4826808 |
| 7 | 410338672 |
| 8 | 16983563040 |
| 9 | 1801152661462 |
| 10 | 420707233300200 |
| 11 | 25408476896404830 |
| 12 | 6582952005840035280 |
| 13 | 925103102315013629320 |
| 14 | 73885357344138503765448 |
| 15 | 12063348350820368238715342 |
| 16 | 3876269050118516845397872320 |
| 17 | 1271991467017507741703714391418 |