n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 61 |
4 | 1906 |
5 | 91606 |
6 | 6023602 |
7 | 505853354 |
8 | 51900711796 |
9 | 6306147384659 |
10 | 886745696653253 |
11 | 141778041323736643 |
12 | 25417656781153090889 |
13 | 5052180112449982704619 |
14 | 1103058286595668300801794 |
15 | 262487324530101028337614478 |
16 | 67628783852463631751658038290 |
[1,1,4,61,1906,91606,6023602,505853354, 51900711796,6306147384659,886745696653253, 141778041323736643,25417656781153090889, 5052180112449982704619,1103058286595668300801794, 262487324530101028337614478, 67628783852463631751658038290] |