n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 26 |
6 | 316 |
7 | 1912 |
8 | 14204 |
9 | 83260 |
10 | 513496 |
11 | 2918576 |
12 | 43605112 |
13 | 442060984 |
14 | 5396258960 |
15 | 51589877536 |
16 | 502620599056 |
17 | 4387660231952 |
18 | 77691034349344 |
19 | 1065687761143360 |
20 | 17601265218632096 |
21 | 230878891157853856 |
22 | 3055183837594858432 |
23 | 35865234134641395584 |
24 | 155845649043266241280960 |
[1,1,2,4,10,26,316,1912,14204,83260,513496, 2918576,43605112,442060984,5396258960,51589877536, 502620599056,4387660231952,77691034349344, 1065687761143360,17601265218632096, 230878891157853856,3055183837594858432, 35865234134641395584,155845649043266241280960] |