Number of triangle-free planar graphs with n nodes.

A049367

Number of triangle-free planar graphs with n nodes.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =7a(4) =14a(5) =37a(6) =102a(7) =367a(8) =1532a(9) =8091a(10) =50775a(11) =372417a(12) =3045985a(13) =26989204a(14) =252934543

External references