T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row divisible by 3 and column not divisible by 3, read as a binary number with top and left being the most significant bits.
A262420
T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row divisible by 3 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) =0a(2) =5a(3) =6a(4) =4a(5) =10a(6) =0a(7) =45a(8) =12a(9) =21a(10) =22a(11) =114a(12) =270a(13) =48a(14) =42a(15) =0a(16) =709a(17) =1260a(18) =1701a(19) =144a(20) =85a(21) =86a(22) =2892a(23) =15310a(24) =18228a(25) =10206a(26) =468a(27) =170a(28) =0a(29) =15293
External references
- oeis: A262420