Number of (n+1)X(2+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 13.

A233975

Number of (n+1)X(2+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 13.

Terms

    a(0) =1308a(1) =8688a(2) =59440a(3) =453988a(4) =3530540a(5) =29109544a(6) =242057156a(7) =2076801776a(8) =17846457644a(9) =156102689488

External references