Number of nX3 0..2 arrays with no element having a strict majority of its horizontal, vertical and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions).

A231823

Number of nX3 0..2 arrays with no element having a strict majority of its horizontal, vertical and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions).

Terms

    a(0) =3a(1) =64a(2) =1205a(3) =21770a(4) =393408a(5) =7103846a(6) =128269829a(7) =2316065437a(8) =41819317551a(9) =755097522661

External references