Numbers n such that (n!)^2-n!+1 is prime.

A051857

Numbers n such that (n!)^2-n!+1 is prime.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =7a(4) =38a(5) =2319a(6) =2996a(7) =3321a(8) =3892

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