T(n,k)=Number of nXk array permutations with each element moved but remaining in its original row or its original column.
A188813
T(n,k)=Number of nXk array permutations with each element moved but remaining in its original row or its original column.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =2a(6) =9a(7) =20a(8) =20a(9) =9a(10) =44a(11) =272a(12) =448a(13) =272a(14) =44a(15) =265a(16) =6032a(17) =25904a(18) =25904a(19) =6032a(20) =265a(21) =1854a(22) =205312a(23) =2952608a(24) =7114752a(25) =2952608a(26) =205312a(27) =1854a(28) =14833a(29) =9672448
External references
- oeis: A188813