n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 16 |
5 | 174 |
6 | 1988 |
7 | 27124 |
8 | 453136 |
9 | 8791980 |
10 | 191869392 |
11 | 4668291000 |
12 | 125662750464 |
13 | 3706032771336 |
14 | 118759029538368 |
15 | 4109063510399088 |
16 | 152696171895135744 |
17 | 6065376023980289424 |
18 | 256455323932682550528 |
19 | 11499944141042532006432 |
20 | 545124523779848580648960 |
[1,1,2,16,174,1988,27124,453136,8791980,191869392, 4668291000,125662750464,3706032771336, 118759029538368,4109063510399088, 152696171895135744,6065376023980289424, 256455323932682550528,11499944141042532006432, 545124523779848580648960] |