a(1) = 13, a(n) is the smallest prime obtained by inserting digits between every pair of digits of a(n-1).

A080440

a(1) = 13, a(n) is the smallest prime obtained by inserting digits between every pair of digits of a(n-1).

Terms

    a(0) =13a(1) =103a(2) =10093a(3) =100000963

External references