A233732 Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6 and no adjacent elements equal.

114820, 3435216, 118695412, 4696134192, 195088215888, 8382657501872, 365411698279744, 16077504208896432, 710340588106387612, 31469577641576479052, 1395852241413401555300, 61965217435895823239576

Offset: 1

Author

R. H. Hardin, Dec 15 2013

Keywords

• nonn

Comments

Column 7 of A233733

Examples

			Some solutions for n=1
..3..1..0..2..1..0..1..0....1..0..2..1..0..2..1..2....1..0..1..3..1..0..1..2
..1..0..2..1..3..1..3..2....0..2..1..3..2..1..3..1....3..2..0..1..0..2..3..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210