n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 10 |
4 | 24 |
5 | 54 |
6 | 120 |
7 | 266 |
8 | 593 |
9 | 1317 |
10 | 2926 |
11 | 6501 |
12 | 14441 |
13 | 32081 |
14 | 71266 |
15 | 158315 |
16 | 351688 |
17 | 781255 |
18 | 1735512 |
19 | 3855339 |
20 | 8564410 |
21 | 19025337 |
22 | 42263673 |
23 | 93886277 |
24 | 208562871 |
25 | 463310210 |
26 | 1029216515 |
27 | 2286344247 |
28 | 5078979923 |
29 | 11282656623 |
[1,2,4,10,24,54,120,266,593,1317,2926,6501,14441, 32081,71266,158315,351688,781255,1735512,3855339, 8564410,19025337,42263673,93886277,208562871, 463310210,1029216515,2286344247,5078979923, 11282656623] |