n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 2 |
8 | 3 |
9 | 18 |
10 | 63 |
11 | 84 |
12 | 224 |
13 | 504 |
14 | 630 |
15 | 1270 |
16 | 2420 |
17 | 2937 |
18 | 5742 |
19 | 12012 |
20 | 15015 |
21 | 35035 |
22 | 84119 |
23 | 108164 |
24 | 260064 |
25 | 601664 |
26 | 767244 |
27 | 1720944 |
28 | 3755844 |
29 | 4738410 |
30 | 10329750 |
31 | 22591800 |
32 | 28583709 |
33 | 64071194 |
34 | 144780009 |
35 | 184657869 |
[0,0,0,0,0,0,2,3,18,63,84,224,504,630,1270,2420, 2937,5742,12012,15015,35035,84119,108164,260064, 601664,767244,1720944,3755844,4738410,10329750, 22591800,28583709,64071194,144780009,184657869] |