n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 8 |
3 | 18 |
4 | 44 |
5 | 150 |
6 | 762 |
7 | 5096 |
8 | 40392 |
9 | 362970 |
10 | 3628910 |
11 | 39916932 |
12 | 479001756 |
13 | 6227020982 |
14 | 87178291410 |
15 | 1307674368240 |
16 | 20922789888272 |
17 | 355687428096306 |
18 | 6402373705728342 |
19 | 121645100408832380 |
20 | 2432902008176640420 |
21 | 51090942171709440462 |
22 | 1124000727777607680506 |
[1,3,8,18,44,150,762,5096,40392,362970,3628910, 39916932,479001756,6227020982,87178291410, 1307674368240,20922789888272,355687428096306, 6402373705728342,121645100408832380, 2432902008176640420,51090942171709440462, 1124000727777607680506] |