n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 2 |
8 | 6 |
9 | 14 |
10 | 30 |
11 | 62 |
12 | 128 |
13 | 252 |
14 | 495 |
15 | 968 |
16 | 1866 |
17 | 3600 |
18 | 6917 |
19 | 13286 |
20 | 25476 |
21 | 48916 |
22 | 93837 |
23 | 180314 |
24 | 346554 |
25 | 666996 |
26 | 1284570 |
27 | 2477342 |
28 | 4781502 |
29 | 9240012 |
30 | 17871708 |
31 | 34604066 |
32 | 67060746 |
33 | 130085052 |
34 | 252548760 |
35 | 490722344 |
[0,0,0,0,0,0,1,2,6,14,30,62,128,252,495,968,1866, 3600,6917,13286,25476,48916,93837,180314,346554, 666996,1284570,2477342,4781502,9240012,17871708, 34604066,67060746,130085052,252548760,490722344] |