n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 1 |
9 | 7 |
10 | 37 |
11 | 154 |
12 | 558 |
13 | 1830 |
14 | 5581 |
15 | 16077 |
16 | 44251 |
17 | 117308 |
18 | 301330 |
19 | 753458 |
20 | 1840568 |
21 | 4405344 |
22 | 10355493 |
23 | 23953832 |
24 | 54614151 |
25 | 122903818 |
26 | 273320540 |
27 | 601273377 |
28 | 1309641376 |
29 | 2826528077 |
30 | 6048868456 |
31 | 12843409063 |
32 | 27071247989 |
[0,0,0,0,0,0,0,0,1,7,37,154,558,1830,5581,16077, 44251,117308,301330,753458,1840568,4405344, 10355493,23953832,54614151,122903818,273320540, 601273377,1309641376,2826528077,6048868456, 12843409063,27071247989] |