Number of (4+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.

A250759

Number of (4+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) =1029a(1) =2361a(2) =4239a(3) =6663a(4) =9633a(5) =13149a(6) =17211a(7) =21819a(8) =26973a(9) =32673a(10) =38919a(11) =45711a(12) =53049a(13) =60933a(14) =69363a(15) =78339a(16) =87861a(17) =97929a(18) =108543a(19) =119703a(20) =131409a(21) =143661a(22) =156459a(23) =169803a(24) =183693a(25) =198129a(26) =213111a(27) =228639a(28) =244713a(29) =261333

External references