n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 38 |
3 | 189 |
4 | 905 |
5 | 4256 |
6 | 19837 |
7 | 92043 |
8 | 426094 |
9 | 1970185 |
10 | 9104261 |
11 | 42057792 |
12 | 194257673 |
13 | 897167999 |
14 | 4143341590 |
15 | 19134543141 |
16 | 88365044497 |
17 | 408075336928 |
18 | 1884511869029 |
19 | 8702754376995 |
20 | 40189650079646 |
21 | 185597252410577 |
22 | 857094615997933 |
23 | 3958092535469184 |
24 | 18278606972307025 |
[1,7,38,189,905,4256,19837,92043,426094,1970185, 9104261,42057792,194257673,897167999,4143341590, 19134543141,88365044497,408075336928, 1884511869029,8702754376995,40189650079646, 185597252410577,857094615997933,3958092535469184, 18278606972307025] |