T(n,k)=Number of nXk 0..3 arrays with every row and column running average nondecreasing rightwards and downwards.

A201216

T(n,k)=Number of nXk 0..3 arrays with every row and column running average nondecreasing rightwards and downwards.

Terms

    a(0) =4a(1) =10a(2) =10a(3) =23a(4) =50a(5) =23a(6) =51a(7) =216a(8) =216a(9) =51a(10) =110a(11) =867a(12) =1684a(13) =867a(14) =110a(15) =233a(16) =3318a(17) =11932a(18) =11932a(19) =3318a(20) =233a(21) =488a(22) =12314a(23) =79739a(24) =146946a(25) =79739a(26) =12314a(27) =488a(28) =1013a(29) =44858

External references