Pseudoprimes n to base 2 such that n-4, n-2 and n+2 are primes.

A228575

Pseudoprimes n to base 2 such that n-4, n-2 and n+2 are primes.

Terms

    a(0) =645a(1) =656601a(2) =6212361a(3) =18958567881a(4) =287468425245a(5) =626160901281

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