Numbers k such that k*prime(k)-2 is a perfect square.

A106042

Numbers k such that k*prime(k)-2 is a perfect square.

Terms

    a(0) =1a(1) =2a(2) =51a(3) =402a(4) =1506a(5) =18258a(6) =3905394a(7) =4692517426

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