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A229411 Number of nX7 0..3 arrays avoiding 11 horizontally, 22 vertically, 33 antidiagonally and 00 diagonally.

%I A229411 #6 Jul 23 2025 05:43:39
%S A229411 11772,22684613,46408035676,95053083585891,194334416016079648,
%T A229411 397464769862060665547,812793729526357032659346,
%U A229411 1662077845986538386898746421,3398973083707574732833877530359
%N A229411 Number of nX7 0..3 arrays avoiding 11 horizontally, 22 vertically, 33 antidiagonally and 00 diagonally.
%C A229411 Column 7 of A229412
%H A229411 R. H. Hardin, <a href="/A229411/b229411.txt">Table of n, a(n) for n = 1..210</a>
%e A229411 Some solutions for n=3
%e A229411 ..0..0..0..0..0..0..2....0..0..0..0..3..2..2....0..0..0..0..0..3..1
%e A229411 ..0..1..2..1..3..2..1....0..1..2..1..2..0..1....0..1..2..1..2..1..2
%e A229411 ..0..2..0..0..1..0..0....0..2..0..3..0..2..3....0..2..0..3..3..3..0
%K A229411 nonn
%O A229411 1,1
%A A229411 _R. H. Hardin_ Sep 22 2013