Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape N; triangle T(n,k), n>=0, read by rows.
A247705
Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape N; triangle T(n,k), n>=0, read by rows.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =48a(4) =8a(5) =423a(6) =68a(7) =10a(8) =3082a(9) =832a(10) =84a(11) =8a(12) =18998a(13) =7624a(14) =1230a(15) =88a(16) =10a(17) =133083a(18) =65360a(19) =14390a(20) =1732a(21) =116a(22) =8a(23) =965175a(24) =555236a(25) =150876a(26) =23184a(27) =2196a(28) =108a(29) =6
External references
- oeis: A247705