n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 3 |
8 | 9 |
9 | 21 |
10 | 42 |
11 | 77 |
12 | 132 |
13 | 214 |
14 | 333 |
15 | 500 |
16 | 728 |
17 | 1031 |
18 | 1428 |
19 | 1938 |
20 | 2584 |
21 | 3391 |
22 | 4389 |
23 | 5608 |
24 | 7084 |
25 | 8855 |
26 | 10963 |
27 | 13455 |
28 | 16380 |
29 | 19792 |
30 | 23751 |
31 | 28318 |
32 | 33562 |
33 | 39556 |
34 | 46376 |
35 | 54105 |
36 | 62832 |
37 | 72649 |
38 | 83657 |
[0,0,0,0,0,0,1,3,9,21,42,77,132,214,333,500,728, 1031,1428,1938,2584,3391,4389,5608,7084,8855, 10963,13455,16380,19792,23751,28318,33562,39556, 46376,54105,62832,72649,83657] |