Number of (n+1)X(2+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal.

A233886

Number of (n+1)X(2+1) 0..6 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) =384a(1) =1960a(2) =9376a(3) =47732a(4) =233468a(5) =1183328a(6) =5829956a(7) =29477912a(8) =145866316a(9) =736514180a(10) =3656220328a(11) =18445344136a(12) =91795812176a(13) =462850707208

External references