Half the number of nX5 binary arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.
A185831
Half the number of nX5 binary arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.
Terms
- a(0) =3a(1) =61a(2) =393a(3) =2398a(4) =15782a(5) =98975a(6) =649826a(7) =4143707a(8) =26679121a(9) =171597547a(10) =1102725806a(11) =7092378045a(12) =45590856963a(13) =293158517847
External references
- oeis: A185831