A240891 Number of nX6 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.

16, 376, 7609, 154858, 3146755, 64074526, 1302610899, 26501432610, 539075345618, 10966382557858, 223082242117552, 4538081394098364, 92316133808933027, 1877950089801487198, 38202362639765816422, 777135231123406032012

Offset: 1

Author

R. H. Hardin, Apr 14 2014

Keywords

• nonn

Comments

Column 6 of A240893

Examples

			Some solutions for n=4
..0..1..2..0..2..1....0..1..0..1..0..1....0..1..0..2..1..0....0..0..1..0..1..0
..1..0..1..2..1..0....1..0..2..0..1..0....1..0..2..0..2..1....0..0..2..1..0..1
..0..2..0..1..2..1....0..2..1..2..0..1....0..2..0..1..1..0....2..1..0..2..1..0
..2..0..1..2..1..2....2..1..2..0..1..2....1..0..2..1..1..2....1..0..2..1..0..2
		

Links

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