n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 6 |
3 | 36 |
4 | 120 |
5 | 528 |
6 | 2016 |
7 | 8256 |
8 | 32640 |
9 | 131328 |
10 | 523776 |
11 | 2098176 |
12 | 8386560 |
13 | 33558528 |
14 | 134209536 |
15 | 536887296 |
16 | 2147450880 |
17 | 8590000128 |
18 | 34359607296 |
19 | 137439215616 |
20 | 549755289600 |
21 | 2199024304128 |
22 | 8796090925056 |
[0,3,6,36,120,528,2016,8256,32640,131328,523776, 2098176,8386560,33558528,134209536,536887296, 2147450880,8590000128,34359607296,137439215616, 549755289600,2199024304128,8796090925056] |