Number of nX3 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

A200529

Number of nX3 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

Terms

    a(0) =11a(1) =57a(2) =243a(3) =905a(4) =3135a(5) =10292a(6) =32556a(7) =100065a(8) =300847a(9) =888587a(10) =2586994a(11) =7441963a(12) =21193523a(13) =59838942a(14) =167704775a(15) =466986683a(16) =1293018711a(17) =3562315723a(18) =9770764284a(19) =26693067952a(20) =72663897633a(21) =197170483178a(22) =533459459628

External references