T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010101.
A260106
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010101.
Terms
- a(0) =48a(1) =85a(2) =85a(3) =206a(4) =201a(5) =206a(6) =472a(7) =477a(8) =477a(9) =472a(10) =1116a(11) =1151a(12) =1136a(13) =1151a(14) =1116a(15) =2575a(16) =2794a(17) =2768a(18) =2768a(19) =2794a(20) =2575a(21) =6068a(22) =6804a(23) =6878a(24) =7119a(25) =6878a(26) =6804a(27) =6068a(28) =14096a(29) =16453
External references
- oeis: A260106