Number of 4 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
A285155
Number of 4 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
Terms
- a(0) =0a(1) =56a(2) =786a(3) =11574a(4) =159060a(5) =2284666a(6) =33371602a(7) =495256266a(8) =7426444716a(9) =112236717358
External references
- oeis: A285155