Number of nX7 0..1 arrays with each 1 adjacent to 2, 3 or 4 king-move neighboring 1s.

A296826

Number of nX7 0..1 arrays with each 1 adjacent to 2, 3 or 4 king-move neighboring 1s.

Terms

    a(0) =1a(1) =1997a(2) =60772a(3) =1814475a(4) =139963008a(5) =7478283799a(6) =364592446431

External references