n | a(n) |
---|---|
3 | 3 |
4 | 12 |
5 | 54 |
6 | 198 |
7 | 729 |
8 | 2538 |
9 | 8748 |
10 | 29484 |
11 | 98415 |
12 | 324648 |
13 | 1062882 |
14 | 3454002 |
15 | 11160261 |
16 | 35871174 |
17 | 114791256 |
18 | 365893848 |
19 | 1162261467 |
20 | 3680484804 |
21 | 11622614670 |
22 | 36611206686 |
23 | 115063885233 |
24 | 360882096930 |
25 | 1129718145924 |
26 | 3530368940292 |
[3,12,54,198,729,2538,8748,29484,98415,324648, 1062882,3454002,11160261,35871174,114791256, 365893848,1162261467,3680484804,11622614670, 36611206686,115063885233,360882096930, 1129718145924,3530368940292] |