n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 0 |
12 | 0 |
13 | 0 |
14 | 0 |
15 | 0 |
16 | 0 |
17 | 0 |
18 | 0 |
19 | 0 |
20 | 0 |
21 | 0 |
22 | 0 |
23 | 0 |
24 | 4 |
25 | 12 |
26 | 100 |
27 | 220 |
28 | 948 |
29 | 2308 |
30 | 5668 |
31 | 17351 |
32 | 52196 |
33 | 150669 |
34 | 429458 |
35 | 1206181 |
36 | 3337989 |
37 | 8961794 |
38 | 23989218 |
39 | 62894424 |
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4, 12,100,220,948,2308,5668,17351,52196,150669, 429458,1206181,3337989,8961794,23989218,62894424] |