Numbers k such that bphi(k) = bphi(k+1), where bphi(k) is the bi-unitary analog of Euler's totient function (A116550).

A293184

Numbers k such that bphi(k) = bphi(k+1), where bphi(k) is the bi-unitary analog of Euler's totient function (A116550).

Terms

    a(0) =1a(1) =14a(2) =20a(3) =57a(4) =187a(5) =188a(6) =916a(7) =1603a(8) =93928a(9) =142891a(10) =432976a(11) =549815a(12) =692259a(13) =773887a(14) =872191a(15) =4297168a(16) =9478088a(17) =127162432a(18) =127991488a(19) =129015616a(20) =132527167

External references