Number of triangulations of a fixed pentagon with n internal nodes.
A341853
Number of triangulations of a fixed pentagon with n internal nodes.
Terms
- a(0) =5a(1) =21a(2) =105a(3) =595a(4) =3675a(5) =24150a(6) =166257a(7) =1186680a(8) =8717940a(9) =65572325a(10) =502957455a(11) =3922142574a(12) =31021294850a(13) =248377859100
External references
- oeis: A341853