T(n,k)=Number of nXk 0..n*k-1 arrays with upper left zero and lower right n*k-1 and each element differing from its horizontal and vertical neighbors by a power of two.
A265178
T(n,k)=Number of nXk 0..n*k-1 arrays with upper left zero and lower right n*k-1 and each element differing from its horizontal and vertical neighbors by a power of two.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =2a(7) =21a(8) =21a(9) =2a(10) =16a(11) =139a(12) =2024a(13) =139a(14) =16a(15) =79a(16) =8463a(17) =170970a(18) =170970a(19) =8463a(20) =79a(21) =456a(22) =219995a(23) =7796840a(24) =36765048a(25) =7796840a(26) =219995a(27) =456a(28) =2194a(29) =6639203
External references
- oeis: A265178