Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 168 |
6 | 1360 |
7 | 14280 |
8 | 170688 |
9 | 2420096 |
10 | 38403328 |
11 | 687737600 |
12 | 13562531840 |
13 | 293985622656 |
14 | 6920272523008 |
15 | 176170136886016 |
16 | 4816418604806144 |
17 | 140839702493749248 |
18 | 4384422821203968000 |
[0,1,2,6,24,168,1360,14280,170688,2420096, 38403328,687737600,13562531840,293985622656, 6920272523008,176170136886016,4816418604806144, 140839702493749248,4384422821203968000] |