Total number of N shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
A247738
Total number of N shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =8a(4) =88a(5) =1024a(6) =10388a(7) =99840a(8) =935900a(9) =8415368a(10) =74295280a(11) =645535244a(12) =5545784444a(13) =47152918764a(14) =397457338488
External references
- oeis: A247738