Number of orbits of Sym(n)^2 under action of Iso_1(n).

A241584

Number of orbits of Sym(n)^2 under action of Iso_1(n).

Terms

    a(0) =1a(1) =4a(2) =11a(3) =43a(4) =155a(5) =761a(6) =4043a(7) =27190

External references