T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.

A185750

T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace.

Terms

    a(0) =0a(1) =24a(2) =24a(3) =40a(4) =104a(5) =40a(6) =144a(7) =544a(8) =544a(9) =144a(10) =344a(11) =2568a(12) =4056a(13) =2568a(14) =344a(15) =1000a(16) =12656a(17) =33768a(18) =33768a(19) =12656a(20) =1000a(21) =2688a(22) =62112a(23) =273928a(24) =458320a(25) =273928a(26) =62112a(27) =2688a(28) =7528a(29) =304584

External references