Numbers of planar triangulations with minimum degree 5 and without separating 3- or 4-cycles - that is 3- or 4-cycles where the interior and exterior contain at least one vertex.
A111358
Numbers of planar triangulations with minimum degree 5 and without separating 3- or 4-cycles - that is 3- or 4-cycles where the interior and exterior contain at least one vertex.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =3a(5) =4a(6) =12a(7) =23a(8) =71a(9) =187a(10) =627a(11) =1970a(12) =6833a(13) =23384a(14) =82625a(15) =292164a(16) =1045329a(17) =3750277a(18) =13532724a(19) =48977625a(20) =177919099a(21) =648145255a(22) =2368046117a(23) =8674199554a(24) =31854078139a(25) =117252592450a(26) =432576302286
External references
- oeis: A111358