n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 28 |
6 | 136 |
7 | 726 |
8 | 5100 |
9 | 40362 |
10 | 363288 |
11 | 3628810 |
12 | 39921044 |
13 | 479001612 |
14 | 6227066928 |
15 | 87178295296 |
16 | 1307675013928 |
17 | 20922789888016 |
18 | 355687438476444 |
19 | 6402373705728018 |
20 | 121645100594641896 |
21 | 2432902008177690360 |
22 | 51090942175425331320 |
23 | 1124000727777607680022 |
[1,2,4,10,28,136,726,5100,40362,363288,3628810, 39921044,479001612,6227066928,87178295296, 1307675013928,20922789888016,355687438476444, 6402373705728018,121645100594641896, 2432902008177690360,51090942175425331320, 1124000727777607680022] |