n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 14 |
3 | 44 |
4 | 150 |
5 | 532 |
6 | 1932 |
7 | 7128 |
8 | 26598 |
9 | 100100 |
10 | 379236 |
11 | 1444456 |
12 | 5525884 |
13 | 21217224 |
14 | 81719000 |
15 | 315583920 |
16 | 1221550470 |
17 | 4737927780 |
18 | 18409560180 |
19 | 71645805000 |
20 | 279227584020 |
21 | 1089643989720 |
22 | 4257130461480 |
23 | 16649826582480 |
24 | 65181326593500 |
25 | 255401021170152 |
[1,6,14,44,150,532,1932,7128,26598,100100,379236, 1444456,5525884,21217224,81719000,315583920, 1221550470,4737927780,18409560180,71645805000, 279227584020,1089643989720,4257130461480, 16649826582480,65181326593500,255401021170152] |