Number of primes with 2n digits made of adjacent primes with 2 digits.

A135945

Number of primes with 2n digits made of adjacent primes with 2 digits.

Terms

    a(0) =21a(1) =80a(2) =1972a(3) =26108a(4) =473297a(5) =7854396a(6) =144622191a(7) =2620370968

External references