a(n) = C(n, 2)^(n-3) = (n(n-1)/2)^(n-3).
A098721
a(n) = C(n, 2)^(n-3) = (n(n-1)/2)^(n-3).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =100a(4) =3375a(5) =194481a(6) =17210368a(7) =2176782336a(8) =373669453125
External references
- oeis: A098721
A098721
a(n) = C(n, 2)^(n-3) = (n(n-1)/2)^(n-3).