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A207755 Number of 6Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.

%I A207755 #7 Jul 22 2025 20:47:19
%S A207755 22,484,2354,11449,34668,104976,247860,585225,1182690,2390116,4339622,
%T A207755 7879249,13226584,22202944,35099688,55487601,83652270,126112900,
%U A207755 182947930,265396681,372933572,524043664,716908764,980754489,1311368058
%N A207755 Number of 6Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
%C A207755 Row 6 of A207752
%H A207755 R. H. Hardin, <a href="/A207755/b207755.txt">Table of n, a(n) for n = 1..210</a>
%F A207755 Empirical: a(n) = 2*a(n-1) +6*a(n-2) -14*a(n-3) -14*a(n-4) +42*a(n-5) +14*a(n-6) -70*a(n-7) +70*a(n-9) -14*a(n-10) -42*a(n-11) +14*a(n-12) +14*a(n-13) -6*a(n-14) -2*a(n-15) +a(n-16)
%e A207755 Some solutions for n=4
%e A207755 ..1..0..0..0....1..0..1..0....1..1..1..0....1..0..0..0....0..1..0..0
%e A207755 ..0..0..0..0....0..1..0..0....0..1..0..1....0..1..0..1....0..0..0..0
%e A207755 ..1..0..0..0....1..1..1..0....1..0..1..0....1..0..0..0....0..1..0..0
%e A207755 ..0..0..0..0....1..0..0..0....0..1..0..1....1..1..0..1....0..0..0..0
%e A207755 ..1..0..0..0....1..1..1..0....1..1..1..0....0..1..0..1....0..1..0..0
%e A207755 ..0..0..0..0....1..1..0..0....0..1..0..1....1..1..0..1....0..0..0..0
%K A207755 nonn
%O A207755 1,1
%A A207755 _R. H. Hardin_ Feb 19 2012