n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 32 |
4 | 134 |
5 | 590 |
6 | 2650 |
7 | 12064 |
8 | 55742 |
9 | 259760 |
10 | 1220165 |
11 | 5767786 |
12 | 27395139 |
13 | 130723031 |
14 | 626095767 |
15 | 3007682664 |
16 | 14490348210 |
17 | 69982637896 |
18 | 338693616769 |
19 | 1642344787172 |
20 | 7977531045463 |
21 | 38809381542851 |
22 | 189063863417711 |
23 | 922205499663732 |
24 | 4503486619557610 |
25 | 22015401828941826 |
26 | 107726338149374056 |
[1,2,8,32,134,590,2650,12064,55742,259760,1220165, 5767786,27395139,130723031,626095767,3007682664, 14490348210,69982637896,338693616769, 1642344787172,7977531045463,38809381542851, 189063863417711,922205499663732,4503486619557610, 22015401828941826,107726338149374056] |