Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 40320 |
9 | 362880 |
10 | 3548160 |
11 | 37054080 |
12 | 416551680 |
13 | 5050368000 |
14 | 65944535040 |
15 | 924630958080 |
16 | 13873661706240 |
17 | 221978587299840 |
18 | 3774394191052800 |
19 | 67494538767237120 |
20 | 1276009602375352320 |
21 | 25429720417085030400 |
[1,1,2,6,24,120,720,5040,40320,362880,3548160, 37054080,416551680,5050368000,65944535040, 924630958080,13873661706240,221978587299840, 3774394191052800,67494538767237120, 1276009602375352320,25429720417085030400] |