Number of 3Xn 0..2 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions).

A231910

Number of 3Xn 0..2 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions).

Terms

    a(0) =9a(1) =74a(2) =1740a(3) =31167a(4) =614818a(5) =11900005a(6) =232002949a(7) =4514456816a(8) =87921502956

External references