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A144052 Number of n X n binary arrays with every 1 adjacent to at least one other 1, but at most one 1 adjacent horizontally and at most one 1 adjacent vertically. 0

%I

%S 1,10,67,1859,144973,23675451,10663538347,12275556405619,

%T 35393545223418744,261328488528715635157,4921805399637541783782081,

%U 235643299844227266763714703387

%N Number of n X n binary arrays with every 1 adjacent to at least one other 1, but at most one 1 adjacent horizontally and at most one 1 adjacent vertically.

%K nonn

%O 1,2

%A _R. H. Hardin_, Sep 08 2008

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Last modified September 30 01:45 EDT 2022. Contains 357092 sequences. (Running on oeis4.)