n | a(n) |
---|---|
1 | 2 |
2 | 5 |
3 | 13 |
4 | 31 |
5 | 131 |
6 | 383 |
7 | 2143 |
8 | 7057 |
9 | 48197 |
10 | 193433 |
11 | 1483733 |
12 | 6898961 |
13 | 60231361 |
14 | 293988703 |
15 | 2808611363 |
16 | 15253406999 |
17 | 164272132459 |
18 | 925319250199 |
19 | 10930128162979 |
20 | 65091314708809 |
21 | 796351893424729 |
22 | 5081275480436251 |
[2,5,13,31,131,383,2143,7057,48197,193433,1483733, 6898961,60231361,293988703,2808611363,15253406999, 164272132459,925319250199,10930128162979, 65091314708809,796351893424729,5081275480436251] |