T(n,k)=1/128 the number of (n+2)X(k+2) binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace.

A185993

T(n,k)=1/128 the number of (n+2)X(k+2) binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace.

Terms

    a(0) =0a(1) =10a(2) =10a(3) =28a(4) =76a(5) =28a(6) =200a(7) =722a(8) =722a(9) =200a(10) =876a(11) =6036a(12) =8948a(13) =6036a(14) =876a(15) =4838a(16) =52966a(17) =126739a(18) =126739a(19) =52966a(20) =4838a(21) =23840a(22) =462288a(23) =1739442a(24) =2854756a(25) =1739442a(26) =462288a(27) =23840a(28) =124114a(29) =4038360

External references