n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 3 |
4 | 0 |
5 | 10 |
6 | 0 |
7 | 35 |
8 | 1 |
9 | 126 |
10 | 11 |
11 | 462 |
12 | 78 |
13 | 1716 |
14 | 455 |
15 | 6435 |
16 | 2380 |
17 | 24311 |
18 | 11628 |
19 | 92398 |
20 | 54264 |
21 | 352947 |
22 | 245157 |
23 | 1354102 |
24 | 1081575 |
25 | 5215250 |
26 | 4686826 |
27 | 20156580 |
28 | 20030039 |
29 | 78152535 |
30 | 84672780 |
31 | 303906051 |
32 | 354822776 |
33 | 1184959314 |
34 | 1476390160 |
[1,0,3,0,10,0,35,1,126,11,462,78,1716,455,6435, 2380,24311,11628,92398,54264,352947,245157, 1354102,1081575,5215250,4686826,20156580,20030039, 78152535,84672780,303906051,354822776,1184959314, 1476390160] |