n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 6 |
5 | 60 |
6 | 300 |
7 | 1050 |
8 | 2940 |
9 | 7056 |
10 | 15120 |
11 | 29700 |
12 | 54450 |
13 | 94380 |
14 | 156156 |
15 | 248430 |
16 | 382200 |
17 | 571200 |
18 | 832320 |
19 | 1186056 |
20 | 1656990 |
21 | 2274300 |
22 | 3072300 |
23 | 4091010 |
24 | 5376756 |
25 | 6982800 |
26 | 8970000 |
27 | 11407500 |
28 | 14373450 |
29 | 17955756 |
30 | 22252860 |
31 | 27374550 |
32 | 33442800 |
33 | 40592640 |
34 | 48973056 |
35 | 58747920 |
[0,0,0,6,60,300,1050,2940,7056,15120,29700,54450, 94380,156156,248430,382200,571200,832320,1186056, 1656990,2274300,3072300,4091010,5376756,6982800, 8970000,11407500,14373450,17955756,22252860, 27374550,33442800,40592640,48973056,58747920] |