Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 2.
A123762
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 2.
Terms
- a(0) =1a(1) =4a(2) =37a(3) =375a(4) =4493a(5) =56848a(6) =753536a(7) =10283622a(8) =143607345a(9) =2041497919a(10) =29446248496a(11) =429858432108
External references
- oeis: A123762