n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 4 |
7 | 10 |
8 | 20 |
9 | 35 |
10 | 58 |
11 | 98 |
12 | 176 |
13 | 333 |
14 | 640 |
15 | 1213 |
16 | 2242 |
17 | 4052 |
18 | 7226 |
19 | 12835 |
20 | 22842 |
21 | 40788 |
22 | 72952 |
23 | 130344 |
24 | 232200 |
25 | 412190 |
26 | 729466 |
27 | 1288216 |
28 | 2272012 |
29 | 4003795 |
30 | 7050358 |
31 | 12404345 |
32 | 21801674 |
33 | 38275760 |
34 | 67125420 |
35 | 117604174 |
36 | 205865368 |
37 | 360090917 |
38 | 629414866 |
[0,0,0,0,0,1,4,10,20,35,58,98,176,333,640,1213, 2242,4052,7226,12835,22842,40788,72952,130344, 232200,412190,729466,1288216,2272012,4003795, 7050358,12404345,21801674,38275760,67125420, 117604174,205865368,360090917,629414866] |