n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 91 |
3 | 410 |
4 | 7381 |
5 | 33215 |
6 | 597871 |
7 | 2690420 |
8 | 48427561 |
9 | 217924025 |
10 | 3922632451 |
11 | 17651846030 |
12 | 317733228541 |
13 | 1429799528435 |
14 | 25736391511831 |
15 | 115813761803240 |
16 | 2084647712458321 |
17 | 9380914706062445 |
18 | 168856464709124011 |
[1,5,91,410,7381,33215,597871,2690420,48427561, 217924025,3922632451,17651846030,317733228541, 1429799528435,25736391511831,115813761803240, 2084647712458321,9380914706062445, 168856464709124011] |