n | a(n) |
---|---|
1 | 16 |
2 | 180 |
3 | 1740 |
4 | 15540 |
5 | 132300 |
6 | 1090740 |
7 | 8787660 |
8 | 69580980 |
9 | 543538380 |
10 | 4200069300 |
11 | 32167589580 |
12 | 244542858420 |
13 | 1847388128460 |
14 | 13880833735860 |
15 | 103809654007500 |
16 | 773174303047860 |
17 | 5737767196302540 |
18 | 42443199898890420 |
19 | 313054205965641420 |
[16,180,1740,15540,132300,1090740,8787660, 69580980,543538380,4200069300,32167589580, 244542858420,1847388128460,13880833735860, 103809654007500,773174303047860,5737767196302540, 42443199898890420,313054205965641420] |