Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal.

A233685

Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal.

Terms

    a(0) =108a(1) =548a(2) =2628a(3) =13324a(4) =64756a(5) =327588a(6) =1596200a(7) =8064200a(8) =39342364a(9) =198550888a(10) =969646256a(11) =4888808640a(12) =23897490056a(13) =120377986076a(14) =588951127540

External references