Consider the smallest pair of consecutive squarefree numbers (r,s) with gcd(r,s) = n; sequence gives values of r, or -1 if n is not squarefree.
A109505
Consider the smallest pair of consecutive squarefree numbers (r,s) with gcd(r,s) = n; sequence gives values of r, or -1 if n is not squarefree.
Terms
- a(0) =1a(1) =422a(2) =174a(3) =-1a(4) =22830a(6) =234374a(7) =-1a(8) =-1
External references
- oeis: A109505