A275226 Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,0) and new values introduced in order 0..2.

122, 7776, 10483, 63267, 640250, 6534900, 67550874, 716735348, 7605814181, 80496567059, 853665236582, 9065417241908, 96259306327146, 1022092822313136, 10854887473630824, 115290893519800111, 1224514266243749236

Offset: 1

Author

R. H. Hardin, Jul 20 2016

Keywords

• nonn

Comments

Column 6 of A275228.

Examples

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

Links

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

Crossrefs

Cf. A275228.