Number of nX4 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

A200530

Number of nX4 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

Terms

    a(0) =19a(1) =146a(2) =905a(3) =4848a(4) =23925a(5) =111085a(6) =494555a(7) =2132979a(8) =8981773a(9) =37125420a(10) =151253915a(11) =609247412a(12) =2432002859a(13) =9638730963a(14) =37983584772a(15) =149003379789a(16) =582403346152

External references