n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 29 |
4 | 139 |
5 | 731 |
6 | 4096 |
7 | 24005 |
8 | 145420 |
9 | 903503 |
10 | 5726290 |
11 | 36878978 |
12 | 240663403 |
13 | 1587928511 |
14 | 10575884599 |
15 | 71005972250 |
16 | 480071241463 |
17 | 3265685620913 |
18 | 22335284505529 |
19 | 153496543690226 |
20 | 1059443187603955 |
21 | 7340794592800628 |
22 | 51042913856490028 |
[1,2,7,29,139,731,4096,24005,145420,903503, 5726290,36878978,240663403,1587928511,10575884599, 71005972250,480071241463,3265685620913, 22335284505529,153496543690226,1059443187603955, 7340794592800628,51042913856490028] |