n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 35 |
6 | 96 |
7 | 267 |
8 | 750 |
9 | 2123 |
10 | 6046 |
11 | 17303 |
12 | 49721 |
13 | 143365 |
14 | 414584 |
15 | 1201917 |
16 | 3492117 |
17 | 10165779 |
18 | 29643870 |
19 | 86574831 |
20 | 253188111 |
21 | 741365049 |
22 | 2173243128 |
23 | 6377181825 |
24 | 18730782252 |
25 | 55062586341 |
26 | 161995031226 |
27 | 476941691177 |
28 | 1405155255055 |
29 | 4142457992363 |
[1,1,2,5,13,35,96,267,750,2123,6046,17303,49721, 143365,414584,1201917,3492117,10165779,29643870, 86574831,253188111,741365049,2173243128, 6377181825,18730782252,55062586341,161995031226, 476941691177,1405155255055,4142457992363] |