Positive integers k for which 1 + 3*2^(k+2) divides the Fermat number 1 + 2^(2^k).

A103477

Positive integers k for which 1 + 3*2^(k+2) divides the Fermat number 1 + 2^(2^k).

Terms

    a(0) =207a(1) =157167a(2) =213319a(3) =382447a(4) =2145351

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