Number of n X 4 0..1 arrays with the number of 1's king-move adjacent to some 0 one less than the number of 0's adjacent to some 1.
A284451
Number of n X 4 0..1 arrays with the number of 1's king-move adjacent to some 0 one less than the number of 0's adjacent to some 1.
Terms
- a(0) =2a(1) =0a(2) =250a(3) =3384a(4) =54248a(5) =824052a(6) =12957944a(7) =203401448a(8) =3209101642a(9) =50702668880a(10) =801990075576
External references
- oeis: A284451