n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 50 |
4 | 490 |
5 | 64130 |
6 | 800046 |
7 | 137270954 |
8 | 1860277042 |
9 | 357975249026 |
10 | 1036802293087622 |
11 | 15013817846943906 |
12 | 47192717955016924590 |
13 | 10360599532897359064118 |
14 | 154361699651715243559786 |
[2,6,50,490,64130,800046,137270954,1860277042, 357975249026,1036802293087622,15013817846943906, 47192717955016924590,10360599532897359064118, 154361699651715243559786] |