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

A259770

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

Terms

    a(0) =32a(1) =49a(2) =49a(3) =104a(4) =87a(5) =104a(6) =201a(7) =167a(8) =167a(9) =201a(10) =376a(11) =299a(12) =256a(13) =299a(14) =376a(15) =745a(16) =564a(17) =385a(18) =385a(19) =564a(20) =745a(21) =1494a(22) =1086a(23) =612a(24) =451a(25) =612a(26) =1086a(27) =1494a(28) =2897a(29) =2045

External references