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A163737 Number of n X 6 binary arrays with all 1's connected, all corners 1, and no 1 having more than two 1's adjacent. 0

%I #7 Nov 20 2014 19:17:51

%S 1,6,39,87,265,1053,5766,30600,146347,654365

%N Number of n X 6 binary arrays with all 1's connected, all corners 1, and no 1 having more than two 1's adjacent.

%e All solutions for n=2:

%e ...1.0.0.0.0.1...1.1.1.0.0.1...1.1.1.1.0.1...1.1.1.1.1.1...1.0.0.1.1.1

%e ...1.1.1.1.1.1...1.0.1.1.1.1...1.0.0.1.1.1...1.0.0.0.0.1...1.1.1.1.0.1

%e ------

%e ...1.0.1.1.1.1

%e ...1.1.1.0.0.1

%K nonn

%O 1,2

%A _R. H. Hardin_, Aug 03 2009

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)