n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 7 |
4 | 17 |
5 | 43 |
6 | 114 |
7 | 310 |
8 | 861 |
9 | 2433 |
10 | 6970 |
11 | 20198 |
12 | 59101 |
13 | 174373 |
14 | 518179 |
15 | 1549545 |
16 | 4659399 |
17 | 14079553 |
18 | 42732230 |
19 | 130208246 |
20 | 398174723 |
21 | 1221573603 |
22 | 3758835953 |
23 | 11597578995 |
24 | 35872937745 |
25 | 111216324015 |
26 | 345539568900 |
27 | 1075693015920 |
[1,2,3,7,17,43,114,310,861,2433,6970,20198,59101, 174373,518179,1549545,4659399,14079553,42732230, 130208246,398174723,1221573603,3758835953, 11597578995,35872937745,111216324015,345539568900, 1075693015920] |