Number of ways to trisect a triangle with side length n exactly into three identical parts in a triangular lattice.
A271858
Number of ways to trisect a triangle with side length n exactly into three identical parts in a triangular lattice.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =5a(5) =20a(6) =56a(7) =276a(8) =2136a(9) =13756a(10) =148352a(11) =2727448a(12) =41044816a(13) =1056334024a(14) =46033137324
External references
- oeis: A271858