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

A202329

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

Terms

    a(0) =16a(1) =48a(2) =162a(3) =576a(4) =2102a(5) =7790a(6) =29174a(7) =110112a(8) =418134a(9) =1595622a(10) =6113746a(11) =23505358a(12) =90633802a(13) =350351642a(14) =1357278302a(15) =5268292832a(16) =20483876822a(17) =79765662902a(18) =311038321442

External references