n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 57 |
6 | 158 |
7 | 1101 |
8 | 5442 |
9 | 28811 |
10 | 212502 |
11 | 2337513 |
12 | 9422306 |
13 | 122489967 |
14 | 1654319046 |
15 | 13917499277 |
16 | 111631450818 |
17 | 1897734663891 |
18 | 23705612782022 |
19 | 450406642858401 |
20 | 3091477152208002 |
21 | 51404897928720023 |
22 | 1130752882197523686 |
23 | 26007316290543044757 |
[1,2,5,12,57,158,1101,5442,28811,212502,2337513, 9422306,122489967,1654319046,13917499277, 111631450818,1897734663891,23705612782022, 450406642858401,3091477152208002, 51404897928720023,1130752882197523686, 26007316290543044757] |