n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 6 |
7 | 14 |
8 | 34 |
9 | 95 |
10 | 280 |
11 | 854 |
12 | 2694 |
13 | 8714 |
14 | 28640 |
15 | 95640 |
16 | 323396 |
17 | 1105335 |
18 | 3813798 |
19 | 13269146 |
20 | 46509358 |
21 | 164107650 |
22 | 582538732 |
23 | 2079165208 |
24 | 7457847082 |
25 | 26873059986 |
26 | 97239032056 |
27 | 353218528324 |
28 | 1287658723550 |
29 | 4709785569184 |
[1,1,1,1,2,3,6,14,34,95,280,854,2694,8714,28640, 95640,323396,1105335,3813798,13269146,46509358, 164107650,582538732,2079165208,7457847082, 26873059986,97239032056,353218528324, 1287658723550,4709785569184] |