n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 6 |
7 | 14 |
8 | 31 |
9 | 69 |
10 | 159 |
11 | 396 |
12 | 944 |
13 | 2350 |
14 | 5811 |
15 | 14619 |
16 | 36968 |
17 | 94135 |
18 | 240167 |
19 | 619442 |
20 | 1597898 |
21 | 4148847 |
22 | 10803432 |
23 | 28240541 |
24 | 73948872 |
25 | 194487691 |
26 | 512132722 |
27 | 1352830588 |
28 | 3579378655 |
29 | 9495900793 |
30 | 25216707748 |
[1,1,1,2,3,6,14,31,69,159,396,944,2350,5811,14619, 36968,94135,240167,619442,1597898,4148847, 10803432,28240541,73948872,194487691,512132722, 1352830588,3579378655,9495900793,25216707748] |