n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 60 |
3 | 1105 |
4 | 27120 |
5 | 828250 |
6 | 30220800 |
7 | 1282031525 |
8 | 61999046400 |
9 | 3366961243750 |
10 | 202903221120000 |
11 | 13437880555850250 |
12 | 970217083619328000 |
13 | 75849500508999712500 |
14 | 6383483988812390400000 |
15 | 575440151532675686278125 |
16 | 55318762960656722780160000 |
[1,5,60,1105,27120,828250,30220800,1282031525, 61999046400,3366961243750,202903221120000, 13437880555850250,970217083619328000, 75849500508999712500,6383483988812390400000, 575440151532675686278125, 55318762960656722780160000] |