Number of (n+1)X(3+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order.
A231297
Number of (n+1)X(3+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order.
Terms
- a(0) =4a(1) =16a(2) =69a(3) =301a(4) =1414a(5) =6850a(6) =33316a(7) =162796a(8) =797293a(9) =3906788a(10) =19152603a(11) =93902795a(12) =460455941a(13) =2257842932a(14) =11071788203a(15) =54292311074a(16) =266234310441
External references
- oeis: A231297