n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 198 |
4 | 2240 |
5 | 24356 |
6 | 259776 |
7 | 2743768 |
8 | 28833280 |
9 | 302193936 |
10 | 3162772736 |
11 | 33077115488 |
12 | 345793029120 |
13 | 3614215767616 |
14 | 37771456592896 |
15 | 394718790964608 |
16 | 4124756173045760 |
17 | 43102408892784896 |
18 | 450402684247904256 |
[1,16,198,2240,24356,259776,2743768,28833280, 302193936,3162772736,33077115488,345793029120, 3614215767616,37771456592896,394718790964608, 4124756173045760,43102408892784896, 450402684247904256] |