a(n) is the smallest prime of the form Q + c, where Q is the n-th primorial and c is a composite >= prime(n+1)^2.

A038773

a(n) is the smallest prime of the form Q + c, where Q is the n-th primorial and c is a composite >= prime(n+1)^2.

Terms

    a(0) =11a(1) =31a(2) =79a(3) =331a(4) =2531a(5) =30319a(6) =511039a(7) =9700357a(8) =223093769a(9) =6469694377a(10) =200560491721

External references