Primes of the form primorial(P(k))/2-2^n with minimal n, n>=0, k>=2.

A103513

Primes of the form primorial(P(k))/2-2^n with minimal n, n>=0, k>=2.

Terms

    a(0) =2a(1) =13a(2) =103a(3) =1153a(4) =15013a(5) =255253a(6) =4849843a(7) =111546433a(8) =3234846607a(9) =100280245063

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