n | a(n) |
---|---|
1 | 2 |
2 | 20 |
3 | 24 |
4 | 360 |
5 | 816 |
6 | 1056 |
7 | 12240 |
8 | 15840 |
9 | 29120 |
10 | 181632 |
11 | 2724480 |
12 | 9192960 |
13 | 13790400 |
14 | 15288000 |
15 | 93358848 |
16 | 199180800 |
17 | 1130734080 |
18 | 1400382720 |
19 | 25115166720 |
20 | 544161945600 |
21 | 3089165506560 |
22 | 11519246340096 |
23 | 172788695101440 |
24 | 274358081249280 |
25 | 5944425093734400 |
26 | 33746043993661440 |
27 | 7425442423511040000 |
28 | 25976914334122752000000 |
29 | 48787315395486187520000 |
30 | 56897897650906642513920 |
[2,20,24,360,816,1056,12240,15840,29120,181632, 2724480,9192960,13790400,15288000,93358848, 199180800,1130734080,1400382720,25115166720, 544161945600,3089165506560,11519246340096, 172788695101440,274358081249280,5944425093734400, 33746043993661440,7425442423511040000, 25976914334122752000000,48787315395486187520000, 56897897650906642513920] |