n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 20 |
4 | 45 |
5 | 25 |
6 | 240 |
7 | 350 |
8 | 600 |
9 | 250 |
10 | 3000 |
11 | 9250 |
12 | 13125 |
13 | 8750 |
14 | 1875 |
15 | 93000 |
16 | 373750 |
17 | 361875 |
18 | 240625 |
19 | 103125 |
20 | 15625 |
21 | 3690000 |
22 | 11077500 |
23 | 12818750 |
24 | 8531250 |
25 | 4156250 |
26 | 1181250 |
27 | 125000 |
28 | 116550000 |
29 | 312037500 |
[0,1,5,20,45,25,240,350,600,250,3000,9250,13125, 8750,1875,93000,373750,361875,240625,103125,15625, 3690000,11077500,12818750,8531250,4156250,1181250, 125000,116550000,312037500] |