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 | 4 |
4 | 12 |
5 | 24 |
6 | 72 |
7 | 192 |
8 | 720 |
9 | 1440 |
10 | 4320 |
11 | 11520 |
12 | 43200 |
13 | 103680 |
14 | 362880 |
15 | 1105920 |
16 | 4665600 |
17 | 9331200 |
18 | 27993600 |
19 | 74649600 |
20 | 279936000 |
21 | 671846400 |
22 | 2351462400 |
23 | 7166361600 |
24 | 30233088000 |
25 | 67184640000 |
26 | 221709312000 |
27 | 644972544000 |
[1,1,2,4,12,24,72,192,720,1440,4320,11520,43200, 103680,362880,1105920,4665600,9331200,27993600, 74649600,279936000,671846400,2351462400, 7166361600,30233088000,67184640000,221709312000, 644972544000] |