Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

A233878

Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

Terms

    a(0) =240a(1) =1224a(2) =6200a(3) =33656a(4) =178704a(5) =1015656a(6) =5566176a(7) =32573400a(8) =181919416a(9) =1082482200a(10) =6108586496a(11) =36673057320a(12) =208076709744

External references