n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 38 |
6 | 115 |
7 | 377 |
8 | 1267 |
9 | 4446 |
10 | 15970 |
11 | 58741 |
12 | 219765 |
13 | 834779 |
14 | 3208732 |
15 | 12461304 |
16 | 48809233 |
17 | 192596729 |
18 | 764814458 |
19 | 3054101548 |
20 | 12255774481 |
21 | 49396159564 |
22 | 199867069373 |
23 | 811554088996 |
24 | 3305812070784 |
[2,2,5,13,38,115,377,1267,4446,15970,58741,219765, 834779,3208732,12461304,48809233,192596729, 764814458,3054101548,12255774481,49396159564, 199867069373,811554088996,3305812070784] |