T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row and column not divisible by 3, read as a binary number with top and left being the most significant bits.
A263060
T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row and column not divisible by 3, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =2a(1) =2a(2) =2a(3) =10a(4) =33a(5) =10a(6) =10a(7) =142a(8) =142a(9) =10a(10) =42a(11) =895a(12) =1666a(13) =895a(14) =42a(15) =42a(16) =4314a(17) =18390a(18) =18390a(19) =4314a(20) =42a(21) =170a(22) =22921a(23) =188370a(24) =498597a(25) =188370a(26) =22921a(27) =170a(28) =170a(29) =113486
External references
- oeis: A263060