Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 24 |
6 | 840 |
7 | 720 |
8 | 5040 |
9 | 40320 |
10 | 59814720 |
11 | 3628800 |
12 | 83701537920 |
13 | 479001600 |
14 | 26980643289600 |
15 | 2642646473026560 |
16 | 1307674368000 |
17 | 20922789888000 |
18 | 41837259585747225600 |
19 | 6402373705728000 |
20 | 598354114828973074790400 |
21 | 18160977780223038067507200 |
[1,1,2,6,24,840,720,5040,40320,59814720,3628800, 83701537920,479001600,26980643289600, 2642646473026560,1307674368000,20922789888000, 41837259585747225600,6402373705728000, 598354114828973074790400, 18160977780223038067507200] |