n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 7 |
4 | 23 |
5 | 66 |
6 | 227 |
7 | 715 |
8 | 2529 |
9 | 8398 |
10 | 30275 |
11 | 104006 |
12 | 380162 |
13 | 1337220 |
14 | 4939443 |
15 | 17678835 |
16 | 65844845 |
17 | 238819350 |
18 | 895451117 |
19 | 3282060210 |
20 | 12374186318 |
21 | 45741281820 |
22 | 173257703723 |
23 | 644952073662 |
24 | 2452607696798 |
25 | 9183676536076 |
26 | 35042725663002 |
27 | 131873975875180 |
28 | 504697422982484 |
29 | 1907493251046152 |
[1,1,3,7,23,66,227,715,2529,8398,30275,104006, 380162,1337220,4939443,17678835,65844845, 238819350,895451117,3282060210,12374186318, 45741281820,173257703723,644952073662, 2452607696798,9183676536076,35042725663002, 131873975875180,504697422982484,1907493251046152] |