Pile of coconuts problem: (n-1)*(n^n - 1), n even; n^n - n + 1, n odd.
A002021
Pile of coconuts problem: (n-1)*(n^n - 1), n even; n^n - n + 1, n odd.
Terms
- a(0) =1a(1) =3a(2) =25a(3) =765a(4) =3121a(5) =233275a(6) =823537a(7) =117440505a(8) =387420481a(9) =89999999991a(10) =285311670601
External references
- oeis: A002021