T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two.
A254854
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum two.
Terms
- a(0) =192a(1) =576a(2) =576a(3) =1632a(4) =1369a(5) =1632a(6) =4624a(7) =2916a(8) =2916a(9) =4624a(10) =13328a(11) =6889a(12) =5904a(13) =6889a(14) =13328a(15) =38416a(16) =16900a(17) =13456a(18) =13456a(19) =16900a(20) =38416a(21) =110544a(22) =42436a(23) =34176a(24) =37636a(25) =34176a(26) =42436a(27) =110544a(28) =318096a(29) =103684
External references
- oeis: A254854