n | a(n) |
---|---|
1 | 6 |
2 | 14 |
3 | 48 |
4 | 98 |
5 | 372 |
6 | 868 |
7 | 2784 |
8 | 7236 |
9 | 27744 |
10 | 64708 |
11 | 215040 |
12 | 541156 |
13 | 1947840 |
14 | 5168548 |
15 | 23046144 |
16 | 43129476 |
17 | 155189760 |
18 | 444228512 |
19 | 1398675600 |
20 | 3623742864 |
21 | 14636428992 |
22 | 33799504228 |
23 | 113272236000 |
24 | 299806597512 |
25 | 1154553386688 |
26 | 2755025768460 |
27 | 10476271399872 |
28 | 23113208752200 |
[6,14,48,98,372,868,2784,7236,27744,64708,215040, 541156,1947840,5168548,23046144,43129476, 155189760,444228512,1398675600,3623742864, 14636428992,33799504228,113272236000,299806597512, 1154553386688,2755025768460,10476271399872, 23113208752200] |