Number of (n+1) X (1+1) 0..4 arrays with every 2 X 2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11.

A234210

Number of (n+1) X (1+1) 0..4 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) =72a(1) =308a(2) =1248a(3) =5344a(4) =21888a(5) =93760a(6) =385536a(7) =1651712a(8) =6801408a(9) =29139968a(10) =120053760a(11) =514367488a(12) =2119532544a(13) =9081143296a(14) =37422759936a(15) =160338280448a(16) =660758593536

External references