n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 16 |
4 | 36 |
5 | 144 |
6 | 576 |
7 | 1296 |
8 | 2304 |
9 | 3600 |
10 | 14400 |
11 | 32400 |
12 | 57600 |
13 | 129600 |
14 | 518400 |
15 | 705600 |
16 | 1587600 |
17 | 2822400 |
18 | 6350400 |
19 | 25401600 |
20 | 57153600 |
21 | 101606400 |
22 | 228614400 |
23 | 406425600 |
24 | 635040000 |
25 | 768398400 |
26 | 2057529600 |
27 | 2540160000 |
28 | 3073593600 |
[1,4,16,36,144,576,1296,2304,3600,14400,32400, 57600,129600,518400,705600,1587600,2822400, 6350400,25401600,57153600,101606400,228614400, 406425600,635040000,768398400,2057529600, 2540160000,3073593600] |