Number of ways to tile a hexagonal strip made up of 4*n equilateral triangles, using triangles and diamonds.
A356622
Number of ways to tile a hexagonal strip made up of 4*n equilateral triangles, using triangles and diamonds.
Terms
- a(0) =1a(1) =5a(2) =39a(3) =317a(4) =2585a(5) =21085a(6) =171987a(7) =1402873a(8) =11443033a(9) =93339173a(10) =761354199a(11) =6210256613a(12) =50656169297a(13) =413195081581
External references
- oeis: A356622