n | a(n) |
---|---|
4 | 21 |
5 | 483 |
6 | 6468 |
7 | 66066 |
8 | 570570 |
9 | 4390386 |
10 | 31039008 |
11 | 205633428 |
12 | 1293938646 |
13 | 7808250450 |
14 | 45510945480 |
15 | 257611421340 |
16 | 1422156202740 |
17 | 7683009544980 |
18 | 40729207226400 |
19 | 212347275857640 |
20 | 1090848505817070 |
21 | 5530195966465170 |
22 | 27704671055301240 |
23 | 137308238124957900 |
24 | 673903972248687180 |
[21,483,6468,66066,570570,4390386,31039008, 205633428,1293938646,7808250450,45510945480, 257611421340,1422156202740,7683009544980, 40729207226400,212347275857640,1090848505817070, 5530195966465170,27704671055301240, 137308238124957900,673903972248687180] |