n | a(n) |
---|---|
0 | 1 |
1 | 31 |
2 | 558 |
3 | 7471 |
4 | 82119 |
5 | 780301 |
6 | 6615617 |
7 | 51115125 |
8 | 365372944 |
9 | 2443413428 |
10 | 15419852290 |
11 | 92459940444 |
12 | 529685434303 |
13 | 2912402216693 |
14 | 15427940560977 |
15 | 78993195741608 |
16 | 392010552915543 |
17 | 1890042591320457 |
[1,31,558,7471,82119,780301,6615617,51115125, 365372944,2443413428,15419852290,92459940444, 529685434303,2912402216693,15427940560977, 78993195741608,392010552915543,1890042591320457] |