T(n,k)=Number of nXk 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

A200831

T(n,k)=Number of nXk 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

Terms

    a(0) =6a(1) =21a(2) =21a(3) =69a(4) =196a(5) =69a(6) =219a(7) =1630a(8) =1630a(9) =219a(10) =679a(11) =12776a(12) =33540a(13) =12776a(14) =679a(15) =2070a(16) =96511a(17) =642953a(18) =642953a(19) =96511a(20) =2070a(21) =6235a(22) =709506a(23) =11757774a(24) =29830782a(25) =11757774a(26) =709506a(27) =6235a(28) =18608a(29) =5112134

External references