n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 22 |
3 | 95 |
4 | 406 |
5 | 1730 |
6 | 7360 |
7 | 31295 |
8 | 133030 |
9 | 565430 |
10 | 2403172 |
11 | 10213670 |
12 | 43408444 |
13 | 184486580 |
14 | 784069252 |
15 | 3332296895 |
16 | 14162266630 |
17 | 60189642830 |
18 | 255806000260 |
19 | 1087175537570 |
20 | 4620496103956 |
21 | 19637108580380 |
22 | 83457711731152 |
23 | 354695275386470 |
24 | 1507454921406556 |
[1,5,22,95,406,1730,7360,31295,133030,565430, 2403172,10213670,43408444,184486580,784069252, 3332296895,14162266630,60189642830,255806000260, 1087175537570,4620496103956,19637108580380, 83457711731152,354695275386470,1507454921406556] |