Number of orbits of length n under the map whose periodic points are counted by A000364.

A060164

Number of orbits of length n under the map whose periodic points are counted by A000364.

Terms

    a(0) =1a(1) =2a(2) =20a(3) =345a(4) =10104a(5) =450450a(6) =28480140a(7) =2423938845a(8) =267208852820

External references