n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 1 |
5 | 10 |
6 | 50 |
7 | 1 |
8 | 20 |
9 | 175 |
10 | 980 |
11 | 1 |
12 | 35 |
13 | 490 |
14 | 4116 |
15 | 24696 |
16 | 1 |
17 | 56 |
18 | 1176 |
19 | 14112 |
20 | 116424 |
21 | 731808 |
22 | 1 |
23 | 84 |
24 | 2520 |
25 | 41580 |
26 | 457380 |
27 | 3737448 |
28 | 24293412 |
29 | 1 |
30 | 120 |
31 | 4950 |
32 | 108900 |
33 | 1557270 |
34 | 16195608 |
35 | 131589315 |
36 | 877262100 |
37 | 1 |
38 | 165 |
39 | 9075 |
40 | 259545 |
41 | 4723719 |
42 | 61408347 |
43 | 614083470 |
44 | 4971151900 |
45 | 33803832920 |
[1,1,4,1,10,50,1,20,175,980,1,35,490,4116,24696,1, 56,1176,14112,116424,731808,1,84,2520,41580, 457380,3737448,24293412,1,120,4950,108900,1557270, 16195608,131589315,877262100,1,165,9075,259545, 4723719,61408347,614083470,4971151900,33803832920] |