T(n,k)=Half the number of (n+1)X(k+1) binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

A184614

T(n,k)=Half the number of (n+1)X(k+1) binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

Terms

    a(0) =8a(1) =28a(2) =28a(3) =98a(4) =160a(5) =98a(6) =350a(7) =918a(8) =918a(9) =350a(10) =1250a(11) =5430a(12) =8643a(13) =5430a(14) =1250a(15) =4450a(16) =32042a(17) =84828a(18) =84828a(19) =32042a(20) =4450a(21) =15842a(22) =188394a(23) =828804a(24) =1396000a(25) =828804a(26) =188394a(27) =15842a(28) =56426a(29) =1107926

External references