Number of (1+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.

A250756

Number of (1+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) =32a(1) =72a(2) =129a(3) =203a(4) =294a(5) =402a(6) =527a(7) =669a(8) =828a(9) =1004a(10) =1197a(11) =1407a(12) =1634a(13) =1878a(14) =2139a(15) =2417a(16) =2712a(17) =3024a(18) =3353a(19) =3699a(20) =4062a(21) =4442a(22) =4839a(23) =5253a(24) =5684a(25) =6132a(26) =6597a(27) =7079a(28) =7578a(29) =8094

External references