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A181013 Number of nX(n+2) binary matrices with rows and columns each in strictly increasing order as binary numbers and every 0 adjacent to a 1 and every 1 adjacent to a 0 0

%I #2 Mar 31 2012 12:35:49

%S 0,0,0,0,0,6,168,5729,425290,66925648,24963075674,23635084462403,

%T 59754398931781339

%N Number of nX(n+2) binary matrices with rows and columns each in strictly increasing order as binary numbers and every 0 adjacent to a 1 and every 1 adjacent to a 0

%C Superdiagonal 2 of A181011

%e All solutions for 6X8

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

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

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

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

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

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

%e ...

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

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

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

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

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

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

%K nonn

%O 1,6

%A _R. H. Hardin_ Sep 30 2010

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Last modified April 18 09:47 EDT 2024. Contains 371779 sequences. (Running on oeis4.)