Euler's "Lucky" numbers: n such that m^2-m+n is prime for m=0..n-1.

A014556

Euler's "Lucky" numbers: n such that m^2-m+n is prime for m=0..n-1.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =11a(4) =17a(5) =41

External references