n | a(n) |
---|---|
4 | 1 |
5 | 1 |
6 | 3 |
7 | 1 |
8 | 9 |
9 | 27 |
10 | 15 |
11 | 18 |
12 | 288 |
13 | 288 |
14 | 420 |
15 | 464 |
16 | 1856 |
17 | 10080 |
18 | 46848 |
19 | 210240 |
20 | 400320 |
21 | 652848 |
22 | 3991680 |
23 | 27528402 |
24 | 32659200 |
25 | 163296000 |
26 | 1143463200 |
27 | 1305467240 |
28 | 6840489600 |
29 | 9453465438 |
30 | 337082683248 |
31 | 163425485250 |
32 | 8376514506360 |
33 | 8440230839040 |
34 | 5088099594240 |
[1,1,3,1,9,27,15,18,288,288,420,464,1856,10080, 46848,210240,400320,652848,3991680,27528402, 32659200,163296000,1143463200,1305467240, 6840489600,9453465438,337082683248,163425485250, 8376514506360,8440230839040,5088099594240] |