n | a(n) |
---|---|
0 | 2 |
1 | 6 |
2 | 19 |
3 | 61 |
4 | 197 |
5 | 633 |
6 | 2036 |
7 | 6548 |
8 | 21061 |
9 | 67737 |
10 | 217861 |
11 | 700699 |
12 | 2253638 |
13 | 7248306 |
14 | 23312507 |
15 | 74979305 |
16 | 241153657 |
17 | 775615161 |
18 | 2494587424 |
19 | 8023265560 |
20 | 25804984685 |
21 | 82995786381 |
22 | 266936820209 |
23 | 858540765611 |
[2,6,19,61,197,633,2036,6548,21061,67737,217861, 700699,2253638,7248306,23312507,74979305, 241153657,775615161,2494587424,8023265560, 25804984685,82995786381,266936820209,858540765611] |