n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 1 |
5 | 3 |
6 | 9 |
7 | 1 |
8 | 4 |
9 | 18 |
10 | 52 |
11 | 1 |
12 | 5 |
13 | 30 |
14 | 130 |
15 | 375 |
16 | 1 |
17 | 6 |
18 | 45 |
19 | 260 |
20 | 1125 |
21 | 3246 |
22 | 1 |
23 | 7 |
24 | 63 |
25 | 455 |
26 | 2625 |
27 | 11361 |
28 | 32781 |
29 | 1 |
30 | 8 |
31 | 84 |
32 | 728 |
33 | 5250 |
34 | 30296 |
35 | 131124 |
36 | 378344 |
37 | 1 |
38 | 9 |
39 | 108 |
40 | 1092 |
41 | 9450 |
42 | 68166 |
43 | 393372 |
44 | 1702548 |
45 | 4912515 |
46 | 1 |
47 | 10 |
48 | 135 |
49 | 1560 |
50 | 15750 |
51 | 136332 |
52 | 983430 |
53 | 5675160 |
54 | 24562575 |
55 | 70872610 |
[1,1,2,1,3,9,1,4,18,52,1,5,30,130,375,1,6,45,260, 1125,3246,1,7,63,455,2625,11361,32781,1,8,84,728, 5250,30296,131124,378344,1,9,108,1092,9450,68166, 393372,1702548,4912515,1,10,135,1560,15750,136332, 983430,5675160,24562575,70872610] |