n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 8 |
3 | 36 |
4 | 212 |
5 | 1496 |
6 | 12128 |
7 | 110288 |
8 | 1108064 |
9 | 12171872 |
10 | 145061120 |
11 | 1864321472 |
12 | 25710635648 |
13 | 378871778432 |
14 | 5943632568320 |
15 | 98936446059776 |
16 | 1742232571097600 |
17 | 32367994818881024 |
18 | 632845309575139328 |
19 | 12991224275641441280 |
[0,3,8,36,212,1496,12128,110288,1108064,12171872, 145061120,1864321472,25710635648,378871778432, 5943632568320,98936446059776,1742232571097600, 32367994818881024,632845309575139328, 12991224275641441280] |