n | a(n) |
---|---|
2 | 2 |
3 | 5 |
4 | 28 |
5 | 188 |
6 | 1210 |
7 | 6300 |
8 | 35180 |
9 | 219598 |
10 | 1414836 |
11 | 9219292 |
12 | 61182140 |
13 | 414530452 |
14 | 2847405442 |
15 | 19686946131 |
16 | 136696551130 |
[2,5,28,188,1210,6300,35180,219598,1414836, 9219292,61182140,414530452,2847405442,19686946131, 136696551130] |