Fermat numbers of order 3 or F(n,3) = 2^(2^n)+3.

A130729

Fermat numbers of order 3 or F(n,3) = 2^(2^n)+3.

Terms

    a(0) =5a(1) =7a(2) =19a(3) =259a(4) =65539a(5) =4294967299

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