Number of connected regular simple graphs on n vertices with girth exactly 3.

A186743

Number of connected regular simple graphs on n vertices with girth exactly 3.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =1a(5) =1a(6) =3a(7) =3a(8) =13a(9) =21a(10) =157a(11) =536a(12) =18942a(13) =389404a(14) =50314456a(15) =2942196832

External references