Least k such that x*k - 1 produces primes for x=1..n and composite for x=n+1.
A202779
Least k such that x*k - 1 produces primes for x=1..n and composite for x=n+1.
Terms
- a(0) =8a(1) =3a(2) =4a(3) =1410a(4) =6a(5) =154770a(6) =5246010a(7) =2894220a(8) =407874180a(9) =214580145780
External references
- oeis: A202779