n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 15 |
3 | 43 |
4 | 137 |
5 | 483 |
6 | 1881 |
7 | 7772 |
8 | 33292 |
9 | 146014 |
10 | 650688 |
11 | 2935909 |
12 | 13377899 |
13 | 61448617 |
14 | 284148766 |
15 | 1321470026 |
16 | 6175996065 |
17 | 28988110806 |
18 | 136575209239 |
19 | 645621236243 |
20 | 3061130340023 |
21 | 14552991533455 |
22 | 69354804657255 |
23 | 331251331834172 |
24 | 1585299655420744 |
25 | 7600886382041555 |
26 | 36504944105963117 |
[1,5,15,43,137,483,1881,7772,33292,146014,650688, 2935909,13377899,61448617,284148766,1321470026, 6175996065,28988110806,136575209239,645621236243, 3061130340023,14552991533455,69354804657255, 331251331834172,1585299655420744,7600886382041555, 36504944105963117] |