n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 14 |
4 | 43 |
5 | 142 |
6 | 496 |
7 | 1808 |
8 | 6807 |
9 | 26270 |
10 | 103357 |
11 | 412942 |
12 | 1670572 |
13 | 6828824 |
14 | 28159880 |
15 | 116997296 |
16 | 489271039 |
17 | 2057800158 |
18 | 8698624303 |
19 | 36936288650 |
20 | 157474552403 |
21 | 673830974654 |
22 | 2892864930292 |
23 | 12457038200008 |
24 | 53789813903620 |
[1,2,5,14,43,142,496,1808,6807,26270,103357, 412942,1670572,6828824,28159880,116997296, 489271039,2057800158,8698624303,36936288650, 157474552403,673830974654,2892864930292, 12457038200008,53789813903620] |