n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 10 |
6 | 29 |
7 | 113 |
8 | 368 |
9 | 1316 |
10 | 4490 |
11 | 15907 |
12 | 55866 |
13 | 199550 |
14 | 714601 |
15 | 2583575 |
16 | 9385280 |
17 | 34311304 |
18 | 126018592 |
19 | 465044951 |
20 | 1722987050 |
21 | 6407739430 |
22 | 23909854891 |
23 | 89493459541 |
24 | 335911158480 |
25 | 1264104712300 |
[1,1,1,2,10,29,113,368,1316,4490,15907,55866, 199550,714601,2583575,9385280,34311304,126018592, 465044951,1722987050,6407739430,23909854891, 89493459541,335911158480,1264104712300] |