A233731 Number of (n+1)X(6+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.

30260, 631628, 14802604, 389230764, 10577526052, 297173770244, 8382657501872, 239905202721744, 6836811878013164, 196682109947646076, 5621738544272692176, 161957852533354058144, 4633563231512519521944, 133535514248052233170788

Offset: 1

Author

R. H. Hardin, Dec 15 2013

Keywords

• nonn

Comments

Column 6 of A233733

Examples

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

Links

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