n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 11 |
4 | 70 |
5 | 649 |
6 | 7896 |
7 | 118369 |
8 | 2102192 |
9 | 43087041 |
10 | 1000362880 |
11 | 25941053401 |
12 | 743048287488 |
13 | 23298564124081 |
14 | 793721000274944 |
15 | 29193013203681825 |
16 | 1152922812281214976 |
17 | 48661212798456756481 |
18 | 2185911915426124627968 |
19 | 104127356700284947260841 |
20 | 5242880121645100408832000 |
[2,3,11,70,649,7896,118369,2102192,43087041, 1000362880,25941053401,743048287488, 23298564124081,793721000274944,29193013203681825, 1152922812281214976,48661212798456756481, 2185911915426124627968,104127356700284947260841, 5242880121645100408832000] |