Number of (n+1)X(3+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal.

A233912

Number of (n+1)X(3+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal.

Terms

    a(0) =2440a(1) =22632a(2) =194208a(3) =1813476a(4) =15981048a(5) =148503096a(6) =1317291048a(7) =12194674440a(8) =108542688160

External references