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 A232323 Number of (7+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero 1

%I #8 Nov 22 2013 09:59:24

%S 610,60605,6764246,1036869496,158534446141,23818815015639,

%T 3587649343841650,540472751303594139,81418399274442809469,

%U 12264913365847776296865,1847601218114334916009886

%N Number of (7+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero

%C Row 7 of A232316

%H R. H. Hardin, <a href="/A232323/b232323.txt">Table of n, a(n) for n = 1..210</a>

%e Some.solutions.for.n=2

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 22 2013

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Last modified May 20 02:39 EDT 2024. Contains 372703 sequences. (Running on oeis4.)