n | a(n) |
---|---|
1 | 2 |
2 | 13 |
3 | 25 |
4 | 78 |
5 | 237 |
6 | 844 |
7 | 2604 |
8 | 8136 |
9 | 26760 |
10 | 86924 |
11 | 277835 |
12 | 899022 |
13 | 2919889 |
14 | 9444839 |
15 | 30500170 |
16 | 98689584 |
17 | 319463193 |
18 | 1033422691 |
19 | 3342846428 |
20 | 10816675277 |
21 | 34999690964 |
22 | 113237813316 |
23 | 366379979168 |
24 | 1185473942356 |
25 | 3835735125264 |
[2,13,25,78,237,844,2604,8136,26760,86924,277835, 899022,2919889,9444839,30500170,98689584, 319463193,1033422691,3342846428,10816675277, 34999690964,113237813316,366379979168, 1185473942356,3835735125264] |