n | a(n) |
---|---|
1 | 0 |
2 | 12 |
3 | 80 |
4 | 1434 |
5 | 20663 |
6 | 309612 |
7 | 4604554 |
8 | 68632481 |
9 | 1022176517 |
10 | 15228316440 |
11 | 226848548570 |
12 | 3379346295547 |
13 | 50341485804399 |
14 | 749929176699858 |
15 | 11171570766745821 |
16 | 166421064692483298 |
17 | 2479147307681739840 |
[0,12,80,1434,20663,309612,4604554,68632481, 1022176517,15228316440,226848548570,3379346295547, 50341485804399,749929176699858,11171570766745821, 166421064692483298,2479147307681739840] |