n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 44 |
4 | 161 |
5 | 588 |
6 | 2147 |
7 | 7839 |
8 | 28621 |
9 | 104498 |
10 | 381533 |
11 | 1393015 |
12 | 5086038 |
13 | 18569636 |
14 | 67799608 |
15 | 247543185 |
16 | 903805055 |
17 | 3299883119 |
18 | 12048205018 |
19 | 43989207775 |
20 | 160609019998 |
21 | 586399678681 |
22 | 2141004179974 |
23 | 7817021504815 |
24 | 28540731390577 |
25 | 104205079621096 |
[1,3,12,44,161,588,2147,7839,28621,104498,381533, 1393015,5086038,18569636,67799608,247543185, 903805055,3299883119,12048205018,43989207775, 160609019998,586399678681,2141004179974, 7817021504815,28540731390577,104205079621096] |