n | a(n) |
---|---|
0 | 1 |
1 | 20 |
2 | 799 |
3 | 31940 |
4 | 1276801 |
5 | 51040100 |
6 | 2040327199 |
7 | 81562047860 |
8 | 3260441587201 |
9 | 130336101440180 |
10 | 5210183616019999 |
11 | 208277008539359780 |
12 | 8325870157958371201 |
13 | 332826529309795488260 |
14 | 13304735302233861159199 |
15 | 531856585560044650879700 |
[1,20,799,31940,1276801,51040100,2040327199, 81562047860,3260441587201,130336101440180, 5210183616019999,208277008539359780, 8325870157958371201,332826529309795488260, 13304735302233861159199,531856585560044650879700] |