Smallest prime number p such that p + psq(1), p + psq(2), ... p + psq(n) are all prime but p+psq(n+1) is not. (psq(n) is the square of the primorial.)

A257467

Smallest prime number p such that p + psq(1), p + psq(2), ... p + psq(n) are all prime but p+psq(n+1) is not. (psq(n) is the square of the primorial.)

Terms

    a(0) =2a(1) =3a(2) =43a(3) =7a(4) =163a(5) =397a(6) =5527a(7) =454543a(8) =615883a(9) =142516687a(10) =68967673a(11) =57502725253a(12) =37520993053

External references