A275089 - OEIS

A275089

Number of nX7 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.

%I #4 Jul 16 2016 09:22:18

%S 48,2592,17184,232156,2934756,38872396,512150588,6767371752,

%T 89090043684,1174911360788,15503814279976,204476407498760,

%U 2696824987632772,35568778483055352,469145522114492964,6187939649650112040

%N Number of nX7 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.

%C Column 7 of A275090.

%H R. H. Hardin, <a href="/A275089/b275089.txt">Table of n, a(n) for n = 1..133</a>

%e Some solutions for n=3

%e ..0..0..1..1..2..2..1. .0..1..2..2..0..0..2. .0..0..1..2..0..1..2

%e ..2..1..1..2..2..0..1. .0..1..2..0..0..1..1. .0..2..2..1..0..0..2

%e ..0..1..1..0..2..1..1. .0..1..2..0..0..2..2. .1..2..2..0..1..2..2

%Y Cf. A275090.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 16 2016