n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 1 |
9 | 7 |
10 | 34 |
11 | 136 |
12 | 480 |
13 | 1560 |
14 | 4784 |
15 | 14056 |
16 | 39992 |
17 | 111001 |
18 | 302110 |
19 | 809398 |
20 | 2140595 |
21 | 5600396 |
22 | 14518475 |
23 | 37342551 |
24 | 95390479 |
25 | 242204920 |
26 | 611682570 |
27 | 1537362741 |
28 | 3847104992 |
29 | 9588937190 |
30 | 23813932170 |
31 | 58944367746 |
32 | 145449940440 |
[0,0,0,0,0,0,0,0,1,7,34,136,480,1560,4784,14056, 39992,111001,302110,809398,2140595,5600396, 14518475,37342551,95390479,242204920,611682570, 1537362741,3847104992,9588937190,23813932170, 58944367746,145449940440] |