n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 5 |
9 | 9 |
10 | 25 |
11 | 35 |
12 | 75 |
13 | 95 |
14 | 175 |
15 | 210 |
16 | 350 |
17 | 406 |
18 | 630 |
19 | 714 |
20 | 1050 |
21 | 1170 |
22 | 1650 |
23 | 1815 |
24 | 2475 |
25 | 2695 |
26 | 3575 |
27 | 3861 |
28 | 5005 |
29 | 5369 |
30 | 6825 |
31 | 7280 |
32 | 9100 |
33 | 9660 |
34 | 11900 |
35 | 12580 |
36 | 15300 |
37 | 16116 |
38 | 19380 |
39 | 20349 |
40 | 24225 |
41 | 25365 |
42 | 29925 |
43 | 31255 |
44 | 36575 |
45 | 38115 |
46 | 44275 |
47 | 46046 |
48 | 53130 |
49 | 55154 |
50 | 63250 |
51 | 65550 |
52 | 74750 |
53 | 77350 |
54 | 87750 |
55 | 90675 |
[0,0,0,0,0,0,0,1,5,9,25,35,75,95,175,210,350,406, 630,714,1050,1170,1650,1815,2475,2695,3575,3861, 5005,5369,6825,7280,9100,9660,11900,12580,15300, 16116,19380,20349,24225,25365,29925,31255,36575, 38115,44275,46046,53130,55154,63250,65550,74750, 77350,87750,90675] |