T(n,k)=Number of nXk 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.

A278309

T(n,k)=Number of nXk 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.

Terms

    a(0) =0a(1) =3a(2) =3a(3) =16a(4) =32a(5) =16a(6) =51a(7) =294a(8) =294a(9) =51a(10) =126a(11) =2089a(12) =4558a(13) =2089a(14) =126a(15) =266a(16) =11486a(17) =70795a(18) =70795a(19) =11486a(20) =266a(21) =504a(22) =51562a(23) =986014a(24) =2360544a(25) =986014a(26) =51562a(27) =504a(28) =882a(29) =197981

External references