n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 7 |
5 | 13 |
6 | 24 |
7 | 38 |
8 | 72 |
9 | 122 |
10 | 226 |
11 | 400 |
12 | 684 |
13 | 1246 |
14 | 2381 |
15 | 4384 |
16 | 8330 |
17 | 15839 |
18 | 30617 |
19 | 58764 |
20 | 113987 |
21 | 221994 |
22 | 434498 |
23 | 852036 |
24 | 1673320 |
25 | 3296641 |
26 | 6509179 |
[1,2,4,7,13,24,38,72,122,226,400,684,1246,2381, 4384,8330,15839,30617,58764,113987,221994,434498, 852036,1673320,3296641,6509179] |