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 | 600 |
| 2 | 182160 |
| 3 | 16924320 |
| 4 | 397150800 |
| 5 | 4632279120 |
| 6 | 34414027200 |
| 7 | 187479888960 |
| 8 | 814930462800 |
| 9 | 2975483302200 |
| 10 | 9486481747680 |
| 11 | 27053266687200 |
| 12 | 70486014432960 |
| 13 | 169930748683920 |
| 14 | 384163827465600 |