n | a(n) |
---|---|
6 | 1 |
7 | 42 |
8 | 1008 |
9 | 18144 |
10 | 272160 |
11 | 3592512 |
12 | 43110144 |
13 | 480370176 |
14 | 5043886848 |
15 | 50438868480 |
16 | 484213137408 |
17 | 4489976365056 |
18 | 40409787285504 |
19 | 354362750042112 |
20 | 3037395000360960 |
21 | 25514118003032064 |
22 | 210491473525014528 |
23 | 1708695490967764992 |
24 | 13669563927742119936 |
25 | 107917609955858841600 |
[1,42,1008,18144,272160,3592512,43110144, 480370176,5043886848,50438868480,484213137408, 4489976365056,40409787285504,354362750042112, 3037395000360960,25514118003032064, 210491473525014528,1708695490967764992, 13669563927742119936,107917609955858841600] |