n | a(n) |
---|---|
0 | 0 |
1 | 12 |
2 | 216 |
3 | 2592 |
4 | 25920 |
5 | 233280 |
6 | 1959552 |
7 | 15676416 |
8 | 120932352 |
9 | 906992640 |
10 | 6651279360 |
11 | 47889211392 |
12 | 339578044416 |
13 | 2377046310912 |
14 | 16456474460160 |
15 | 112844396298240 |
16 | 767341894828032 |
17 | 5179557790089216 |
18 | 34733505180598272 |
[0,12,216,2592,25920,233280,1959552,15676416, 120932352,906992640,6651279360,47889211392, 339578044416,2377046310912,16456474460160, 112844396298240,767341894828032,5179557790089216, 34733505180598272] |