Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.

A232914

Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.

Terms

    a(0) =84a(1) =24498a(2) =9880580a(3) =1295371950a(4) =485354122160

External references