Primes p such that p^2 divides 5^(p-1) - 1.

A123692

Primes p such that p^2 divides 5^(p-1) - 1.

Terms

    a(0) =2a(1) =20771a(2) =40487a(3) =53471161a(4) =1645333507a(5) =6692367337a(6) =188748146801

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