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) |
---|---|
7 | 7 |
8 | 1736 |
9 | 151704 |
10 | 8573040 |
11 | 385363440 |
12 | 15186346560 |
13 | 553400527680 |
14 | 19255141825920 |
15 | 652932709228800 |
16 | 21874544352460800 |
17 | 730877395478630400 |
18 | 24516805259429683200 |
19 | 829582077548941516800 |
20 | 28413517892377153536000 |