n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 4 |
6 | 5 |
7 | 6 |
8 | 7 |
9 | 8 |
10 | 71 |
11 | 430 |
12 | 1749 |
13 | 5708 |
14 | 16003 |
15 | 40026 |
16 | 91505 |
17 | 194464 |
18 | 3111409 |
19 | 32514338 |
20 | 220345299 |
21 | 1161515620 |
22 | 5117035637 |
23 | 19624019910 |
24 | 67294308247 |
25 | 210311057024 |
26 | 4860499987799 |
27 | 72178664783758 |
28 | 684803123126277 |
29 | 4985006104393196 |
30 | 29947298627248915 |
[1,1,1,2,3,4,5,6,7,8,71,430,1749,5708,16003,40026, 91505,194464,3111409,32514338,220345299, 1161515620,5117035637,19624019910,67294308247, 210311057024,4860499987799,72178664783758, 684803123126277,4985006104393196, 29947298627248915] |