n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 46 |
3 | 336 |
4 | 2386 |
5 | 16776 |
6 | 117586 |
7 | 823416 |
8 | 5764546 |
9 | 40353096 |
10 | 282474226 |
11 | 1977324696 |
12 | 13841283106 |
13 | 96889002216 |
14 | 678223056466 |
15 | 4747561477176 |
16 | 33232930504066 |
17 | 232630513856136 |
18 | 1628413597648306 |
19 | 11398895184848856 |
[1,6,46,336,2386,16776,117586,823416,5764546, 40353096,282474226,1977324696,13841283106, 96889002216,678223056466,4747561477176, 33232930504066,232630513856136,1628413597648306, 11398895184848856] |