n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 22 |
4 | 92 |
5 | 428 |
6 | 2208 |
7 | 12756 |
8 | 83848 |
9 | 635392 |
10 | 5563952 |
11 | 55743168 |
12 | 628294912 |
13 | 7832530400 |
14 | 106515280064 |
15 | 1564127939088 |
16 | 24618706734432 |
17 | 413015301455040 |
18 | 7352809011276096 |
19 | 138398862650413248 |
20 | 2745596388858393984 |
21 | 57248882869605962880 |
22 | 1251574614271552264704 |
23 | 28625091198273426059136 |
[1,2,6,22,92,428,2208,12756,83848,635392,5563952, 55743168,628294912,7832530400,106515280064, 1564127939088,24618706734432,413015301455040, 7352809011276096,138398862650413248, 2745596388858393984,57248882869605962880, 1251574614271552264704,28625091198273426059136] |