Number of (4+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

A250658

Number of (4+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

Terms

    a(0) =79a(1) =142a(2) =221a(3) =316a(4) =427a(5) =554a(6) =697a(7) =856a(8) =1031a(9) =1222a(10) =1429a(11) =1652a(12) =1891a(13) =2146a(14) =2417a(15) =2704a(16) =3007a(17) =3326a(18) =3661a(19) =4012a(20) =4379a(21) =4762a(22) =5161a(23) =5576a(24) =6007a(25) =6454a(26) =6917a(27) =7396a(28) =7891a(29) =8402

External references