n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 29 |
6 | 70 |
7 | 169 |
8 | 408 |
9 | 985 |
10 | 2378 |
11 | 5741 |
12 | 13860 |
13 | 33461 |
14 | 80782 |
15 | 195025 |
16 | 470832 |
17 | 1136689 |
18 | 2744210 |
19 | 6625109 |
20 | 15994428 |
21 | 38613965 |
22 | 93222358 |
23 | 225058681 |
24 | 543339720 |
25 | 1311738121 |
26 | 3166815962 |
27 | 7645370045 |
28 | 18457556052 |
29 | 44560482149 |
30 | 107578520350 |
31 | 259717522849 |
[1,1,2,5,12,29,70,169,408,985,2378,5741,13860, 33461,80782,195025,470832,1136689,2744210,6625109, 15994428,38613965,93222358,225058681,543339720, 1311738121,3166815962,7645370045,18457556052, 44560482149,107578520350,259717522849] |