n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 4 |
4 | 16 |
5 | 26 |
6 | 114 |
7 | 913 |
8 | 3227 |
9 | 25373 |
10 | 441919 |
11 | 3146641 |
12 | 49361868 |
13 | 1683721022 |
14 | 23850420259 |
15 | 734273471828 |
16 | 49324500595954 |
17 | 1380740815171041 |
[1,2,2,4,16,26,114,913,3227,25373,441919,3146641, 49361868,1683721022,23850420259,734273471828, 49324500595954,1380740815171041] |