Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

A300806

Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =4a(1) =29a(2) =170a(3) =1004a(4) =5908a(5) =34836a(6) =205369a(7) =1210811a(8) =7138574a(9) =42087052a(10) =248133414a(11) =1462925107a(12) =8624996341a(13) =50850561207a(14) =299800657068

External references