n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 2 |
6 | 3 |
7 | 4 |
8 | 9 |
9 | 18 |
10 | 40 |
11 | 84 |
12 | 189 |
13 | 425 |
14 | 986 |
15 | 2298 |
16 | 5465 |
17 | 13072 |
18 | 31661 |
19 | 77173 |
20 | 189697 |
21 | 468969 |
22 | 1166720 |
23 | 2916983 |
24 | 7329321 |
25 | 18494428 |
26 | 46859177 |
27 | 119161865 |
28 | 304076055 |
29 | 778399130 |
30 | 1998552928 |
31 | 5145515877 |
32 | 13282204144 |
33 | 34368982552 |
34 | 89136810772 |
[0,1,1,1,1,2,3,4,9,18,40,84,189,425,986,2298,5465, 13072,31661,77173,189697,468969,1166720,2916983, 7329321,18494428,46859177,119161865,304076055, 778399130,1998552928,5145515877,13282204144, 34368982552,89136810772] |