a(n) is the period of the binary sequence {b(m)} defined by b(m) = 1 if (m+1)^n - m^n and (m+2)^n - 2*(m+1)^n + m^n are coprime, 0 otherwise.

A353890

a(n) is the period of the binary sequence {b(m)} defined by b(m) = 1 if (m+1)^n - m^n and (m+2)^n - 2*(m+1)^n + m^n are coprime, 0 otherwise.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =11a(4) =91a(5) =1247a(6) =3485a(7) =263017a(8) =852841a(9) =1241058127a(10) =74966255

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