n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 1 |
11 | 9 |
12 | 53 |
13 | 242 |
14 | 954 |
15 | 3391 |
16 | 11220 |
17 | 35180 |
18 | 105948 |
19 | 309175 |
20 | 880175 |
21 | 2456272 |
22 | 6744581 |
23 | 18273594 |
24 | 48960386 |
25 | 129945805 |
26 | 342114018 |
27 | 894423399 |
28 | 2324138696 |
29 | 6006737947 |
30 | 15450039511 |
31 | 39568319805 |
32 | 100941888863 |
33 | 256597420700 |
[0,0,0,0,0,0,0,0,0,0,1,9,53,242,954,3391,11220, 35180,105948,309175,880175,2456272,6744581, 18273594,48960386,129945805,342114018,894423399, 2324138696,6006737947,15450039511,39568319805, 100941888863,256597420700] |