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A147490 Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 11101-10111 pattern in any orientation. 0

%I #4 Mar 31 2012 12:35:17

%S 1,1,1,1,3,5,13,17,35,51,1825,3971,48723,116645,1517741,3942921,

%T 214672131,697172557,31731412817,118373336977,6545880122717,

%U 27404882486137,4959503000804673,24825440098741127

%N Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 11101-10111 pattern in any orientation.

%e Maximal 8 X 8 example

%e .0.0.0.0.0.0.0.0

%e .0.0.0.0.0.0.0.0

%e .0.0.0.0.0.0.0.0

%e .0.1.1.0.0.1.1.0

%e .0.0.1.0.0.1.0.0

%e .0.1.1.0.0.1.1.0

%e .0.1.0.0.0.0.1.0

%e .0.1.1.0.0.1.1.0

%K nonn

%O 1,5

%A _R. H. Hardin_

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)