n | a(n) |
---|---|
2 | 1 |
3 | 3 |
4 | 9 |
5 | 32 |
6 | 139 |
7 | 729 |
8 | 4515 |
9 | 32336 |
10 | 263205 |
11 | 2401183 |
12 | 24275037 |
13 | 269426592 |
14 | 3257394143 |
15 | 42615550453 |
16 | 599875100487 |
17 | 9040742057760 |
18 | 145251748024649 |
19 | 2478320458476795 |
20 | 44755020000606961 |
21 | 852823700470009056 |
22 | 17101229029400788083 |
23 | 359978633317886558801 |
24 | 7936631162022905081707 |
[1,3,9,32,139,729,4515,32336,263205,2401183, 24275037,269426592,3257394143,42615550453, 599875100487,9040742057760,145251748024649, 2478320458476795,44755020000606961, 852823700470009056,17101229029400788083, 359978633317886558801,7936631162022905081707] |