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A167252 Number of ways to partition an n X 6 grid into 2 connected equal-area regions 0

%I

%S 1,6,85,856,8171,80518

%N Number of ways to partition an n X 6 grid into 2 connected equal-area regions

%e Some solutions for n=4

%e ...1.1.1.1.1.1...1.1.1.1.1.1...1.1.1.1.1.2...1.1.1.1.1.1...1.1.1.1.1.1

%e ...1.2.1.2.2.2...1.2.2.2.1.2...1.2.2.1.1.2...1.1.1.2.1.2...2.1.1.1.1.2

%e ...1.2.1.1.1.2...1.2.2.2.2.2...1.2.2.1.1.2...2.1.2.2.1.2...2.2.2.1.1.2

%e ...2.2.2.2.2.2...1.1.1.2.2.2...1.2.2.2.2.2...2.2.2.2.2.2...2.2.2.2.2.2

%e ------

%e ...1.1.1.1.1.1...1.1.1.1.1.1...1.1.1.2.2.2...1.2.2.2.2.2...1.1.1.1.1.1

%e ...1.1.2.2.2.1...1.1.1.2.1.1...1.2.2.2.2.2...1.1.1.2.1.2...1.2.1.2.2.1

%e ...1.2.2.2.1.1...1.2.2.2.2.2...1.2.2.1.1.2...1.2.2.2.1.2...1.2.2.2.2.2

%e ...2.2.2.2.2.2...2.2.2.2.2.2...1.1.1.1.1.2...1.1.1.1.1.2...1.1.2.2.2.2

%e ------

%e ...1.1.1.1.1.2...1.1.1.1.1.1...1.1.1.1.1.1...1.1.1.1.1.1...1.1.1.1.1.2

%e ...1.1.2.1.2.2...1.1.2.1.2.1...1.1.1.1.2.1...2.1.2.1.1.1...1.1.1.1.2.2

%e ...1.2.2.2.2.2...1.2.2.2.2.1...1.2.2.2.2.2...2.1.2.1.2.2...1.2.1.1.2.2

%e ...1.1.1.2.2.2...2.2.2.2.2.2...2.2.2.2.2.2...2.2.2.2.2.2...2.2.2.2.2.2

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 31 2009

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Last modified January 29 04:56 EST 2022. Contains 350672 sequences. (Running on oeis4.)