n | a(n) |
---|---|
0 | 2 |
1 | 5 |
2 | 62 |
3 | 308 |
4 | 2417 |
5 | 14705 |
6 | 102431 |
7 | 662630 |
8 | 4460939 |
9 | 29388368 |
10 | 195890270 |
11 | 1297452581 |
12 | 8623112591 |
13 | 57204089987 |
14 | 379864424726 |
15 | 2521114546457 |
16 | 16737293922782 |
17 | 111098495308040 |
18 | 737511654617345 |
19 | 4895636145167777 |
20 | 32498286641627651 |
21 | 215727639063526946 |
[2,5,62,308,2417,14705,102431,662630,4460939, 29388368,195890270,1297452581,8623112591, 57204089987,379864424726,2521114546457, 16737293922782,111098495308040,737511654617345, 4895636145167777,32498286641627651, 215727639063526946] |