n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 63 |
6 | 318 |
7 | 2045 |
8 | 16999 |
9 | 183231 |
10 | 2567284 |
11 | 46749427 |
12 | 1104891746 |
13 | 33823827452 |
14 | 1338193159771 |
15 | 68275077901156 |
16 | 4483130665195087 |
[1,1,2,5,16,63,318,2045,16999,183231,2567284, 46749427,1104891746,33823827452,1338193159771, 68275077901156,4483130665195087] |