%I #5 Mar 31 2012 12:37:23
%S 715,10370330,157873031498,2403711876698218,36598079445605633928,
%T 557229580446475130201608,8484183047877022205116428184,
%U 129177209027669581083328287797640,1966807085374417176424317546443585928
%N Number of nX7 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors
%C Column 7 of A208408
%H R. H. Hardin, <a href="/A208407/b208407.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..0..0..1..2..1....0..0..0..1..0..0..0....0..0..0..0..0..0..0
%e ..1..1..0..2..1..3..3....1..0..2..2..1..1..2....0..1..0..1..0..2..1
%e ..1..2..0..2..2..1..2....2..0..1..3..1..3..1....0..2..2..3..0..0..1
%e ..0..0..1..0..2..2..0....0..3..3..3..2..1..3....0..3..3..3..3..1..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 26 2012
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