n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 14 |
3 | 128 |
4 | 1288 |
5 | 13472 |
6 | 143840 |
7 | 1556480 |
8 | 17006720 |
9 | 187208192 |
10 | 2072948224 |
11 | 23063920640 |
12 | 257634273280 |
13 | 2887544053760 |
14 | 32456082448384 |
15 | 365710391902208 |
16 | 4129672996618240 |
17 | 46721752249794560 |
18 | 529486122704568320 |
19 | 6009576477811539968 |
20 | 68299997524116635648 |
[1,2,14,128,1288,13472,143840,1556480,17006720, 187208192,2072948224,23063920640,257634273280, 2887544053760,32456082448384,365710391902208, 4129672996618240,46721752249794560, 529486122704568320,6009576477811539968, 68299997524116635648] |