Number of (n+1)X(7+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 15.

A234207

Number of (n+1)X(7+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 15.

Terms

    a(0) =560768a(1) =2169836a(2) =8457288a(3) =47733004a(4) =240124200a(5) =1604387244a(6) =8897304552a(7) =64901610764a(8) =374113860960

External references