Number of simple strong triangulations of a fixed hexagon with n interior nodes.
A341921
Number of simple strong triangulations of a fixed hexagon with n interior nodes.
Terms
- a(0) =1a(1) =9a(2) =50a(3) =254a(4) =1287a(5) =6630a(6) =34846a(7) =186714a(8) =1018095a(9) =5638035a(10) =31651992a(11) =179850344a(12) =1032901028a(13) =5988670002a(14) =35017696806a(15) =206326044386
External references
- oeis: A341921