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 | 3 |
2 | 18 |
3 | 198 |
4 | 3960 |
5 | 146520 |
6 | 10256400 |
7 | 1384614000 |
8 | 365538096000 |
9 | 190445348016000 |
10 | 196920489848544000 |
11 | 405459288598152096000 |
12 | 1665626757561208810368000 |
13 | 13666467545789718289069440000 |
14 | 224102734815859800504160677120000 |
15 | 7346759955468331839927899478024960000 |