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A147062 Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 01010-11111 pattern in any orientation. 0

%I #4 Mar 31 2012 12:35:15

%S 1,1,1,1,1,3,10,29,96,333,1304,7679,55914,466003,4423899,47937378,

%T 606115023,9533642435,182376263152,4158250315340,111416233674712,

%U 3515485102434381

%N Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 01010-11111 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.1.1.1.1.1.0.0

%e .1.0.1.0.1.0.0.0

%e .1.1.0.0.0.0.0.1

%e .1.0.0.0.0.0.1.1

%e .1.1.0.0.0.0.0.1

%e .1.0.0.0.0.0.1.1

%e .0.0.0.1.0.1.0.1

%e .0.0.1.1.1.1.1.0

%K nonn

%O 1,6

%A _R. H. Hardin_, Nov 04 2008

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Last modified July 29 08:50 EDT 2024. Contains 374731 sequences. (Running on oeis4.)