Number of (n+1)X(6+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.
A233890
Number of (n+1)X(6+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) =48300a(1) =1183328a(2) =27131156a(3) =759799284a(4) =19042134996a(5) =537828679688
External references
- oeis: A233890