n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 24 |
3 | 350 |
4 | 4896 |
5 | 68962 |
6 | 970200 |
7 | 13652158 |
8 | 192099456 |
9 | 2703046850 |
10 | 38034749784 |
11 | 535189557278 |
12 | 7530688519200 |
13 | 105964828904482 |
14 | 1491038292992664 |
15 | 20980500931258750 |
16 | 295218051329511936 |
17 | 4154033219547089282 |
18 | 58451683124982331800 |
19 | 822477596969315258078 |
[0,2,24,350,4896,68962,970200,13652158,192099456, 2703046850,38034749784,535189557278,7530688519200, 105964828904482,1491038292992664, 20980500931258750,295218051329511936, 4154033219547089282,58451683124982331800, 822477596969315258078] |