n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 22 |
4 | 162 |
5 | 1830 |
6 | 24270 |
7 | 418350 |
8 | 8040810 |
9 | 186597510 |
10 | 5447823150 |
11 | 169904387730 |
12 | 6317118448410 |
13 | 260105476071210 |
14 | 11228680258518030 |
15 | 529602053223499410 |
16 | 28154196550210460730 |
17 | 1665532558389396767070 |
[1,4,22,162,1830,24270,418350,8040810,186597510, 5447823150,169904387730,6317118448410, 260105476071210,11228680258518030, 529602053223499410,28154196550210460730, 1665532558389396767070] |