Number of (n+2) X 4 binary arrays with consecutive windows of three bits considered as a binary number nondecreasing in every row and column.

A202455

Number of (n+2) X 4 binary arrays with consecutive windows of three bits considered as a binary number nondecreasing in every row and column.

Terms

    a(0) =729a(1) =1194a(2) =1876a(3) =2835a(4) =4137a(5) =5854a(6) =8064a(7) =10851a(8) =14305a(9) =18522a(10) =23604a(11) =29659a(12) =36801a(13) =45150a(14) =54832a(15) =65979a(16) =78729a(17) =93226a(18) =109620a(19) =128067a(20) =148729a(21) =171774a(22) =197376a(23) =225715a(24) =256977a(25) =291354a(26) =329044a(27) =370251a(28) =415185a(29) =464062

External references