A275265 - OEIS

A275265

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

%I #4 Jul 21 2016 11:34:03

%S 365,69984,109760,767400,11894712,194398028,3224773976,56045462432,

%T 981633748272,17187870741644,303633887413792,5399984088179496,

%U 96283610857226024,1720783576411462088,30829314650302583344

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

%C Column 7 of A275266.

%H R. H. Hardin, <a href="/A275265/b275265.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A275266.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 21 2016