n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 1 |
10 | 5 |
11 | 20 |
12 | 61 |
13 | 160 |
14 | 375 |
15 | 804 |
16 | 1608 |
17 | 3038 |
18 | 5469 |
19 | 9447 |
20 | 15746 |
21 | 25436 |
22 | 39971 |
23 | 61289 |
24 | 91933 |
25 | 135196 |
26 | 195284 |
27 | 277509 |
28 | 388513 |
29 | 536518 |
30 | 731615 |
31 | 986090 |
32 | 1314787 |
33 | 1735519 |
34 | 2269525 |
35 | 2941977 |
[0,0,0,0,0,0,0,0,0,1,5,20,61,160,375,804,1608, 3038,5469,9447,15746,25436,39971,61289,91933, 135196,195284,277509,388513,536518,731615,986090, 1314787,1735519,2269525,2941977] |