Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal.

A232064

Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal.

Terms

    a(0) =26a(1) =322a(2) =3722a(3) =38870a(4) =457234a(5) =4990482a(6) =59448262a(7) =653375842a(8) =7789998594a(9) =85859588738

External references