A275350 Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2.

122, 17496, 43712, 239112, 2292520, 26615196, 306863916, 3682615020, 45094867336, 548546009720, 6672893379012, 81689346860320, 1000861101302288, 12247744575368296, 149860413965057960, 1835629996533353880

Offset: 1

Author

R. H. Hardin, Jul 24 2016

Keywords

• nonn

Comments

Column 6 of A275352.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..86

Crossrefs

Cf. A275352.