n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 7 |
4 | 61 |
5 | 751 |
6 | 11821 |
7 | 226927 |
8 | 5142061 |
9 | 134341711 |
10 | 3975839341 |
11 | 131463171247 |
12 | 4803293266861 |
13 | 192178106208271 |
14 | 8356430510670061 |
15 | 392386967808249967 |
16 | 19788154572706556461 |
17 | 1066668756919315412431 |
18 | 61204224384073232815981 |
[1,1,7,61,751,11821,226927,5142061,134341711, 3975839341,131463171247,4803293266861, 192178106208271,8356430510670061, 392386967808249967,19788154572706556461, 1066668756919315412431,61204224384073232815981] |