n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 11 |
4 | 47 |
5 | 241 |
6 | 1457 |
7 | 10223 |
8 | 81835 |
9 | 736637 |
10 | 7366661 |
11 | 81034027 |
12 | 972410303 |
13 | 12641339465 |
14 | 176978768137 |
15 | 2654681568551 |
16 | 42474905237267 |
17 | 722073389475733 |
18 | 12997321011978125 |
19 | 246949099232271587 |
20 | 4938981984661217191 |
[1,3,11,47,241,1457,10223,81835,736637,7366661, 81034027,972410303,12641339465,176978768137, 2654681568551,42474905237267,722073389475733, 12997321011978125,246949099232271587, 4938981984661217191] |