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A147247 Number of n X n binary arrays with all ones connected only in a 11100-00100-00111 pattern in any orientation. 0

%I #4 Mar 31 2012 12:35:16

%S 1,1,1,1,13,41,245,1633,20989,305457,6244799,168722653,6674190341

%N Number of n X n binary arrays with all ones connected only in a 11100-00100-00111 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.0.0.1.1.1.0.0

%e .0.0.0.0.0.1.0.0

%e .1.0.0.0.0.1.1.1

%e .1.0.0.0.0.0.0.0

%e .1.1.1.0.0.0.0.0

%e .0.0.1.0.0.1.1.1

%e .0.0.1.0.0.1.0.0

%e .0.0.0.1.1.1.0.0

%K nonn

%O 1,5

%A _R. H. Hardin_, Nov 04 2008

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Last modified September 27 16:47 EDT 2023. Contains 365714 sequences. (Running on oeis4.)