n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 2 |
5 | 4 |
6 | 10 |
7 | 22 |
8 | 52 |
9 | 130 |
10 | 326 |
11 | 832 |
12 | 2162 |
13 | 5674 |
14 | 15032 |
15 | 40178 |
16 | 108154 |
17 | 292956 |
18 | 797994 |
19 | 2184430 |
20 | 6006028 |
21 | 16579138 |
22 | 45929838 |
23 | 127656504 |
24 | 355863330 |
25 | 994735442 |
26 | 2787537904 |
27 | 7829586914 |
28 | 22038759218 |
29 | 62158281844 |
30 | 175636481738 |
31 | 497142172806 |
32 | 1409444977380 |
[1,1,2,2,4,10,22,52,130,326,832,2162,5674,15032, 40178,108154,292956,797994,2184430,6006028, 16579138,45929838,127656504,355863330,994735442, 2787537904,7829586914,22038759218,62158281844, 175636481738,497142172806,1409444977380] |