n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 1 |
5 | 1 |
6 | 6 |
7 | 15 |
8 | 20 |
9 | 15 |
10 | 6 |
11 | 1 |
12 | 1 |
13 | 12 |
14 | 66 |
15 | 220 |
16 | 495 |
17 | 792 |
18 | 924 |
19 | 792 |
20 | 495 |
21 | 220 |
22 | 66 |
23 | 12 |
24 | 1 |
25 | 1 |
26 | 20 |
27 | 190 |
28 | 1140 |
29 | 4845 |
30 | 15504 |
31 | 38760 |
32 | 77520 |
33 | 125970 |
34 | 167960 |
35 | 184756 |
36 | 167960 |
37 | 125970 |
38 | 77520 |
39 | 38760 |
40 | 15504 |
41 | 4845 |
42 | 1140 |
43 | 190 |
44 | 20 |
45 | 1 |
46 | 1 |
47 | 30 |
48 | 435 |
49 | 4060 |
50 | 27405 |
51 | 142506 |
52 | 593775 |
[1,1,2,1,1,6,15,20,15,6,1,1,12,66,220,495,792,924, 792,495,220,66,12,1,1,20,190,1140,4845,15504, 38760,77520,125970,167960,184756,167960,125970, 77520,38760,15504,4845,1140,190,20,1,1,30,435, 4060,27405,142506,593775] |