Number of 4 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
A285753
Number of 4 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
Terms
- a(0) =0a(1) =52a(2) =550a(3) =8544a(4) =119506a(5) =1729212a(6) =25450414a(7) =379892924a(8) =5724356600a(9) =86870686676
External references
- oeis: A285753