n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 14 |
5 | 36 |
6 | 90 |
7 | 213 |
8 | 520 |
9 | 1271 |
10 | 3082 |
11 | 7493 |
12 | 18238 |
13 | 44324 |
14 | 107782 |
15 | 262142 |
16 | 637368 |
17 | 1549870 |
18 | 3768886 |
19 | 9164499 |
20 | 22285034 |
21 | 54190024 |
22 | 131771616 |
23 | 320424614 |
24 | 779166270 |
25 | 1894671121 |
26 | 4607207304 |
27 | 11203190618 |
28 | 27242414612 |
29 | 66244451632 |
30 | 161084380040 |
31 | 391703392954 |
[1,1,2,7,14,36,90,213,520,1271,3082,7493,18238, 44324,107782,262142,637368,1549870,3768886, 9164499,22285034,54190024,131771616,320424614, 779166270,1894671121,4607207304,11203190618, 27242414612,66244451632,161084380040,391703392954] |