n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 11 |
4 | 35 |
5 | 103 |
6 | 323 |
7 | 1052 |
8 | 3469 |
9 | 11726 |
10 | 40234 |
11 | 139955 |
12 | 492505 |
13 | 1750900 |
14 | 6275491 |
15 | 22662455 |
16 | 82364564 |
17 | 301058002 |
18 | 1106006504 |
19 | 4081585024 |
20 | 15124027686 |
21 | 56247438994 |
22 | 209889216294 |
23 | 785601467368 |
24 | 2948682167318 |
25 | 11096081791175 |
26 | 41854378016484 |
27 | 158221313955249 |
[1,2,5,11,35,103,323,1052,3469,11726,40234,139955, 492505,1750900,6275491,22662455,82364564, 301058002,1106006504,4081585024,15124027686, 56247438994,209889216294,785601467368, 2948682167318,11096081791175,41854378016484, 158221313955249] |