n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 8 |
4 | 35 |
5 | 179 |
6 | 1074 |
7 | 7518 |
8 | 60150 |
9 | 541353 |
10 | 5413533 |
11 | 59548868 |
12 | 714586417 |
13 | 9289623422 |
14 | 130054727910 |
15 | 1950820918654 |
16 | 31213134698477 |
17 | 530623289874116 |
18 | 9551219217734092 |
19 | 181473165136947766 |
20 | 3629463302738955334 |
[1,2,8,35,179,1074,7518,60150,541353,5413533, 59548868,714586417,9289623422,130054727910, 1950820918654,31213134698477,530623289874116, 9551219217734092,181473165136947766, 3629463302738955334] |