n | a(n) |
---|---|
0 | 0 |
1 | 6 |
2 | 60 |
3 | 546 |
4 | 4920 |
5 | 44286 |
6 | 398580 |
7 | 3587226 |
8 | 32285040 |
9 | 290565366 |
10 | 2615088300 |
11 | 23535794706 |
12 | 211822152360 |
13 | 1906399371246 |
14 | 17157594341220 |
15 | 154418349070986 |
16 | 1389765141638880 |
17 | 12507886274749926 |
18 | 112570976472749340 |
19 | 1013138788254744066 |
20 | 9118249094292696600 |
21 | 82064241848634269406 |
22 | 738578176637708424660 |
[0,6,60,546,4920,44286,398580,3587226,32285040, 290565366,2615088300,23535794706,211822152360, 1906399371246,17157594341220,154418349070986, 1389765141638880,12507886274749926, 112570976472749340,1013138788254744066, 9118249094292696600,82064241848634269406, 738578176637708424660] |