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

A233785

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

Terms

    a(0) =48a(1) =188a(2) =720a(3) =2856a(4) =11040a(5) =43888a(6) =169920a(7) =675744a(8) =2616960a(9) =10407872a(10) =40308480a(11) =160311936a(12) =620874240a(13) =2469299968a(14) =9563397120a(15) =38034921984a(16) =147306178560a(17) =585856596992

External references