T(n,k)=Number of nXk 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

A278610

T(n,k)=Number of nXk 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =395a(8) =395a(9) =1a(10) =56a(11) =16224a(12) =53360a(13) =16224a(14) =56a(15) =728a(16) =354696a(17) =5985658a(18) =5985658a(19) =354696a(20) =728a(21) =5328a(22) =6208804a(23) =442089480a(24) =1608427228a(25) =442089480a(26) =6208804a(27) =5328a(28) =27876a(29) =94510277

External references