Number of tilings of a 4 X n board with 1 X 1 and L-shaped tiles (where the L-shaped tiles cover 3 squares).
A127870
Number of tilings of a 4 X n board with 1 X 1 and L-shaped tiles (where the L-shaped tiles cover 3 squares).
Terms
- a(0) =1a(1) =1a(2) =33a(3) =195a(4) =2023a(5) =16839a(6) =151817a(7) =1328849a(8) =11758369a(9) =103628653a(10) =914646205a(11) =8068452381a(12) =71189251649a(13) =628067760289
External references
- oeis: A127870