T(n,k)=Number of nXk arrays containing k copies of 0..n-1 avoiding the pattern down-up in every row and equal-up in every column.
A269646
T(n,k)=Number of nXk arrays containing k copies of 0..n-1 avoiding the pattern down-up in every row and equal-up in every column.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =6a(5) =6a(6) =1a(7) =14a(8) =74a(9) =24a(10) =1a(11) =34a(12) =574a(13) =1880a(14) =120a(15) =1a(16) =92a(17) =4564a(18) =68876a(19) =80316a(20) =720a(21) =1a(22) =258a(23) =41526a(24) =2316638a(25) =18375702a(26) =5141864a(27) =5040a(28) =1a(29) =722
External references
- oeis: A269646