Number of (4+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.

A232912

Number of (4+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) =12a(1) =1034a(2) =62276a(3) =1827866a(4) =115154048a(5) =6097451944a(6) =277340920860

External references