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A146180 Number of n X n binary arrays with all ones connected only in a 110-111-100 pattern in any orientation. 0

%I #4 Mar 31 2012 12:35:09

%S 1,1,9,33,113,1711,59971,1694043,74822217,7821008273,1319866139817,

%T 301739131956013,120737110736027887

%N Number of n X n binary arrays with all ones connected only in a 110-111-100 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.0.0.1.1.1.0.0

%e .1.1.1.0.1.1.0.0

%e .1.1.0.0.1.0.1.1

%e .0.1.0.0.0.1.1.1

%e .0.0.1.1.1.0.0.1

%e .0.1.0.1.1.0.1.0

%e .1.1.0.1.0.0.1.1

%e .1.1.1.0.0.1.1.1

%K nonn

%O 1,3

%A _R. H. Hardin_, Oct 27 2008

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)