Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 5 which is flat, i.e., with all blocks in parallel position.
A123788
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 5 which is flat, i.e., with all blocks in parallel position.
Terms
- a(0) =1a(1) =5a(2) =53a(3) =623a(4) =8075a(5) =108463a(6) =1499542a(7) =21128897a(8) =302219695a(9) =4373563505
External references
- oeis: A123788