Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 3 or 4 1s.
A295651
Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 3 or 4 1s.
Terms
- a(0) =81a(1) =3082a(2) =135848a(3) =5812860a(4) =251412699a(5) =10849299317a(6) =468469936974
External references
- oeis: A295651