Number of quasi-Carmichael numbers less than 10^n.

A263930

Number of quasi-Carmichael numbers less than 10^n.

Terms

    a(0) =0a(1) =2a(2) =27a(3) =165a(4) =734a(5) =3109a(6) =11568a(7) =40820a(8) =137850a(9) =457191

External references