n | a(n) |
---|---|
1 | 216 |
2 | 504 |
3 | 1206 |
4 | 3096 |
5 | 7992 |
6 | 20862 |
7 | 54504 |
8 | 142632 |
9 | 373302 |
10 | 977256 |
11 | 2558376 |
12 | 6697854 |
13 | 17535096 |
14 | 45907416 |
15 | 120187062 |
16 | 314653752 |
17 | 823774104 |
18 | 2156668542 |
19 | 5646231432 |
20 | 14782025736 |
21 | 38699845686 |
22 | 101317511304 |
23 | 265252688136 |
24 | 694440553086 |
[216,504,1206,3096,7992,20862,54504,142632,373302, 977256,2558376,6697854,17535096,45907416, 120187062,314653752,823774104,2156668542, 5646231432,14782025736,38699845686,101317511304, 265252688136,694440553086] |