n | a(n) |
---|---|
1 | 0 |
2 | 24 |
3 | 48 |
4 | 216 |
5 | 672 |
6 | 2208 |
7 | 6912 |
8 | 21408 |
9 | 65280 |
10 | 196992 |
11 | 589056 |
12 | 1748352 |
13 | 5156352 |
14 | 15124992 |
15 | 44156928 |
16 | 128383488 |
17 | 371908608 |
18 | 1073879040 |
19 | 3091820544 |
20 | 8878479360 |
21 | 25435250688 |
22 | 72710922240 |
23 | 207448571904 |
24 | 590798364672 |
25 | 1679765078016 |
[0,24,48,216,672,2208,6912,21408,65280,196992, 589056,1748352,5156352,15124992,44156928, 128383488,371908608,1073879040,3091820544, 8878479360,25435250688,72710922240,207448571904, 590798364672,1679765078016] |