Total number of I shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
A247736
Total number of I shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =11a(4) =122a(5) =2278a(6) =17502a(7) =140037a(8) =1250890a(9) =11184764a(10) =96901618a(11) =810143038a(12) =6787465080a(13) =56871594099a(14) =473417649550
External references
- oeis: A247736