n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 60 |
3 | 15652352 |
4 | 18446731528483929840 |
5 | 1461501637330902918203677267647731623106580665344 |
6 | 3940200619639447921227904010014361380507973 |
[0,0,60,15652352,18446731528483929840, 1461501637330902918203677267647731623106580665344, 3940200619639447921227904010014361380507973] |