n | a(n) |
---|---|
1 | 3 |
2 | 12 |
3 | 45 |
4 | 171 |
5 | 619 |
6 | 2560 |
7 | 10774 |
8 | 46708 |
9 | 202635 |
10 | 904603 |
11 | 4073767 |
12 | 18604618 |
13 | 85445767 |
14 | 395944114 |
15 | 1837763447 |
16 | 8600149593 |
[3,12,45,171,619,2560,10774,46708,202635,904603, 4073767,18604618,85445767,395944114,1837763447, 8600149593] |