n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 33 |
6 | 82 |
7 | 201 |
8 | 488 |
9 | 1176 |
10 | 2817 |
11 | 6714 |
12 | 15931 |
13 | 37647 |
14 | 88628 |
15 | 207914 |
16 | 486158 |
17 | 1133304 |
18 | 2634339 |
19 | 6106953 |
20 | 14121157 |
21 | 32573842 |
22 | 74968044 |
23 | 172164086 |
24 | 394561089 |
25 | 902471184 |
26 | 2060338222 |
27 | 4695324425 |
28 | 10681885697 |
29 | 24261437446 |
30 | 55017434305 |
31 | 124573678280 |
[1,1,2,5,13,33,82,201,488,1176,2817,6714,15931, 37647,88628,207914,486158,1133304,2634339,6106953, 14121157,32573842,74968044,172164086,394561089, 902471184,2060338222,4695324425,10681885697, 24261437446,55017434305,124573678280] |