Number of (n+1) X 4 binary arrays with consecutive windows of two bits considered as a binary number nondecreasing in every row and column.

A202330

Number of (n+1) X 4 binary arrays with consecutive windows of two bits considered as a binary number nondecreasing in every row and column.

Terms

    a(0) =36a(1) =82a(2) =162a(3) =289a(4) =478a(5) =746a(6) =1112a(7) =1597a(8) =2224a(9) =3018a(10) =4006a(11) =5217a(12) =6682a(13) =8434a(14) =10508a(15) =12941a(16) =15772a(17) =19042a(18) =22794a(19) =27073a(20) =31926a(21) =37402a(22) =43552a(23) =50429a(24) =58088a(25) =66586a(26) =75982a(27) =86337a(28) =97714a(29) =110178

External references