Number of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.

A233661

Number of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26.

Terms

    a(0) =6656a(1) =56212a(2) =501200a(3) =5005852a(4) =50997688a(5) =538751292a(6) =5717710176a(7) =61553770120a(8) =662422496208

External references