n | a(n) |
---|---|
1 | 6 |
2 | 16 |
3 | 76 |
4 | 314 |
5 | 1170 |
6 | 4584 |
7 | 18208 |
8 | 71242 |
9 | 278758 |
10 | 1094600 |
11 | 4294812 |
12 | 16840082 |
13 | 66052162 |
14 | 259099696 |
15 | 1016260448 |
16 | 3986056882 |
17 | 15634778470 |
18 | 61325029216 |
19 | 240537044748 |
20 | 943467829258 |
21 | 3700602618386 |
22 | 14515016732376 |
23 | 56932811822272 |
[6,16,76,314,1170,4584,18208,71242,278758,1094600, 4294812,16840082,66052162,259099696,1016260448, 3986056882,15634778470,61325029216,240537044748, 943467829258,3700602618386,14515016732376, 56932811822272] |