n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 64 |
3 | 1458 |
4 | 12288 |
5 | 62500 |
6 | 233280 |
7 | 705894 |
8 | 1835008 |
9 | 4251528 |
10 | 9000000 |
11 | 17715610 |
12 | 32845824 |
13 | 57921708 |
14 | 97883968 |
15 | 159468750 |
16 | 251658240 |
17 | 386201104 |
18 | 578207808 |
19 | 846825858 |
20 | 1216000000 |
21 | 1715322420 |
22 | 2380977984 |
23 | 3256789558 |
24 | 4395368448 |
25 | 5859375000 |
26 | 7722894400 |
27 | 10072932714 |
[0,0,64,1458,12288,62500,233280,705894,1835008, 4251528,9000000,17715610,32845824,57921708, 97883968,159468750,251658240,386201104,578207808, 846825858,1216000000,1715322420,2380977984, 3256789558,4395368448,5859375000,7722894400, 10072932714] |