Numbers x such that x^2 - 28*y^2 = 1 for some integer y.

A175633

Numbers x such that x^2 - 28*y^2 = 1 for some integer y.

Terms

    a(0) =1a(1) =127a(2) =32257a(3) =8193151a(4) =2081028097a(5) =528572943487

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