T(n,k)=Number of nXk 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

A200713

T(n,k)=Number of nXk 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.

Terms

    a(0) =8a(1) =36a(2) =36a(3) =154a(4) =540a(5) =154a(6) =638a(7) =7370a(8) =7370a(9) =638a(10) =2583a(11) =95567a(12) =317656a(13) =95567a(14) =2583a(15) =10283a(16) =1196837a(17) =12904303a(18) =12904303a(19) =1196837a(20) =10283a(21) =40437a(22) =14599041a(23) =501622631a(24) =1630978608a(25) =501622631a(26) =14599041a(27) =40437a(28) =157577a(29) =174544948

External references