n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 20 |
3 | 50 |
4 | 104 |
5 | 190 |
6 | 314 |
7 | 478 |
8 | 679 |
9 | 908 |
10 | 1151 |
11 | 1390 |
12 | 1605 |
13 | 1776 |
14 | 1886 |
15 | 1924 |
16 | 1886 |
17 | 1776 |
18 | 1605 |
19 | 1390 |
20 | 1151 |
21 | 908 |
22 | 679 |
23 | 478 |
24 | 314 |
25 | 190 |
26 | 104 |
27 | 50 |
28 | 20 |
29 | 6 |
30 | 1 |
31 | 0 |
32 | 0 |
33 | 0 |
34 | 0 |
35 | 0 |
36 | 0 |
37 | 0 |
38 | 0 |
39 | 0 |
40 | 0 |
41 | 0 |
42 | 0 |
43 | 0 |
44 | 0 |
45 | 0 |
46 | 0 |
47 | 0 |
48 | 0 |
49 | 0 |
50 | 0 |
51 | 0 |
52 | 0 |
53 | 0 |
54 | 0 |
55 | 0 |
56 | 0 |
57 | 0 |
58 | 0 |
59 | 0 |
60 | 0 |
61 | 0 |
62 | 0 |
63 | 0 |
64 | 0 |
65 | 0 |
66 | 0 |
67 | 0 |
68 | 0 |
69 | 0 |
70 | 0 |
71 | 0 |
72 | 0 |
73 | 0 |
[1,6,20,50,104,190,314,478,679,908,1151,1390,1605, 1776,1886,1924,1886,1776,1605,1390,1151,908,679, 478,314,190,104,50,20,6,1,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0] |