n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 6 |
4 | 48 |
5 | 1020 |
6 | 32232 |
7 | 2097144 |
8 | 268369920 |
9 | 68719472640 |
10 | 35184338533920 |
11 | 36028797018963936 |
12 | 73786976226114539520 |
13 | 302231454903657293676480 |
14 | 2475880078570197599844819072 |
15 | 40564819207303340847860140736640 |
16 | 1329227995784915854457062986570792960 |
[1,1,0,6,48,1020,32232,2097144,268369920, 68719472640,35184338533920,36028797018963936, 73786976226114539520,302231454903657293676480, 2475880078570197599844819072, 40564819207303340847860140736640, 1329227995784915854457062986570792960] |