Number of nX5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
A296640
Number of nX5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
Terms
- a(0) =12a(1) =279a(2) =3444a(3) =49872a(4) =742601a(5) =10781621a(6) =157255466a(7) =2296958734a(8) =33523275696a(9) =489291324927
External references
- oeis: A296640