a(n) is the smallest number m such that (2*k-1)*m+1 is prime for all 0<k<n+1.
A164325
a(n) is the smallest number m such that (2*k-1)*m+1 is prime for all 0<k<n+1.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =6a(4) =1170a(5) =64590a(6) =25153800a(7) =25153800a(8) =4747505070a(9) =207187349040
External references
- oeis: A164325