Number of (n+3) X 9 binary arrays with consecutive windows of four bits considered as a binary number nondecreasing in every row and column.

A202937

Number of (n+3) X 9 binary arrays with consecutive windows of four bits considered as a binary number nondecreasing in every row and column.

Terms

    a(0) =194481a(1) =359970a(2) =695114a(3) =1360328a(4) =2631416a(5) =4958318a(6) =9044252a(7) =15949741a(8) =27226555a(9) =45087162a(10) =72615870a(11) =114028454a(12) =174987698a(13) =262982942a(14) =387782408a(15) =561967787a(16) =801561301a(17) =1126756210a(18) =1562762514a(19) =2140780404a(20) =2899114844a(21) =3884445518

External references