Number of chiral pairs of planar maps with n edges.

A054937

Number of chiral pairs of planar maps with n edges.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =5a(5) =64a(6) =655a(7) =5858a(8) =51369a(9) =448982a(10) =3967466a(11) =35603366a(12) =324990677a(13) =3016738988a(14) =28449849867a(15) =272233685444

External references