Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..1 nX5 array.

A220246

Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their king-move neighbors in a random 0..1 nX5 array.

Terms

    a(0) =7a(1) =85a(2) =4467a(3) =64258a(4) =942945a(5) =16925474a(6) =267978208

External references