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 | 1 |
2 | 6 |
3 | 6 |
4 | 360 |
5 | 360 |
6 | 15120 |
7 | 15120 |
8 | 1814400 |
9 | 1814400 |
10 | 119750400 |
11 | 119750400 |
12 | 653837184000 |
13 | 653837184000 |
14 | 3923023104000 |
15 | 3923023104000 |
16 | 16005934264320000 |
17 | 16005934264320000 |
18 | 12772735542927360000 |
19 | 12772735542927360000 |
20 | 8430005458332057600000 |
21 | 8430005458332057600000 |