Number of (n+2)X(4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 or 00000101.

A259768

Number of (n+2)X(4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 or 00000101.

Terms

    a(0) =201a(1) =299a(2) =385a(3) =451a(4) =474a(5) =835a(6) =872a(7) =968a(8) =1532a(9) =1794a(10) =2116a(11) =2746a(12) =4218a(13) =4546a(14) =5038a(15) =8578a(16) =9510a(17) =10852a(18) =15782a(19) =21068a(20) =23626a(21) =28628a(22) =45684a(23) =49942a(24) =56506a(25) =89228a(26) =107618a(27) =121770a(28) =163652a(29) =236042

External references