Number of (6+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.

A250761

Number of (6+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.

Terms

    a(0) =9585a(1) =22197a(2) =40023a(3) =63063a(4) =91317a(5) =124785a(6) =163467a(7) =207363a(8) =256473a(9) =310797a(10) =370335a(11) =435087a(12) =505053a(13) =580233a(14) =660627a(15) =746235a(16) =837057a(17) =933093a(18) =1034343a(19) =1140807a(20) =1252485a(21) =1369377a(22) =1491483a(23) =1618803a(24) =1751337a(25) =1889085a(26) =2032047a(27) =2180223a(28) =2333613

External references