n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 28 |
5 | 124 |
6 | 732 |
7 | 5046 |
8 | 40352 |
9 | 362898 |
10 | 3628932 |
11 | 39916810 |
12 | 479002388 |
13 | 6227020812 |
14 | 87178296258 |
15 | 1307674368272 |
16 | 20922789928384 |
17 | 355687428096016 |
18 | 6402373706092350 |
19 | 121645100408832018 |
20 | 2432902008180269152 |
21 | 51090942171709450128 |
22 | 1124000727777647596830 |
[0,1,3,8,28,124,732,5046,40352,362898,3628932, 39916810,479002388,6227020812,87178296258, 1307674368272,20922789928384,355687428096016, 6402373706092350,121645100408832018, 2432902008180269152,51090942171709450128, 1124000727777647596830] |