Number of 2 X n 0..2 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions).
A231856
Number of 2 X n 0..2 arrays with no element having a strict majority of its horizontal 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) =8a(2) =34a(3) =144a(4) =612a(5) =2613a(6) =11159a(7) =47675a(8) =203696a(9) =870316a(10) =3718550a(11) =15888022a(12) =67883780a(13) =290042861a(14) =1239248291a(15) =5294859950a(16) =22623022401a(17) =96659996189a(18) =412993219856
External references
- oeis: A231856