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

A294030

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

Terms

    a(0) =1a(1) =9a(2) =14a(3) =42a(4) =161a(5) =161a(6) =798a(7) =1400a(8) =86156a(9) =123656a(10) =419430a(11) =387868a(12) =508797a(13) =772121a(14) =870233a(15) =4162866a(16) =8754569a(17) =126168912a(18) =126991491a(19) =128007618a(20) =131491736

External references