A265493 Number of nX7 0..n*7-1 arrays with upper left zero and lower right n*7-1 and each element differing from its horizontal, vertical and diagonal neighbors by a power of two.

456, 1030, 294152, 595253, 949287922, 223328748, 316185648156135, 121504746202, 15215491198062021, 145636281907673112