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A196016 Number of n X 7 0..4 arrays with each element equal to the number its horizontal and vertical neighbors within one of itself.

%I A196016 #10 Jan 19 2025 18:35:34
%S A196016 1,9,32,231,835,3572,22711,100094,517009,2740712,14291156,72486659,
%T A196016 375604408,1948549100,10070403094,52010772351,269069912146,
%U A196016 1391421035119,7193724490586,37198028475134,192356730926735,994618459574872,5142944193784753,26593708572196934
%N A196016 Number of n X 7 0..4 arrays with each element equal to the number its horizontal and vertical neighbors within one of itself.
%H A196016 R. H. Hardin, <a href="/A196016/b196016.txt">Table of n, a(n) for n = 1..226</a>
%e A196016 Some solutions for n=4:
%e A196016 ..2..3..3..3..3..2..2....2..2..3..3..2..3..2....2..3..3..3..3..3..2
%e A196016 ..3..3..4..4..3..0..2....2..0..2..3..0..2..3....3..3..4..4..4..3..3
%e A196016 ..2..0..3..4..4..3..3....3..2..0..3..2..0..2....2..0..3..3..3..0..2
%e A196016 ..2..2..3..3..3..3..2....2..3..2..3..3..2..2....2..2..2..0..2..2..2
%Y A196016 Column 7 of A196017.
%K A196016 nonn
%O A196016 1,2
%A A196016 _R. H. Hardin_, Sep 26 2011