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A201728 Number of nX7 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself 0

%I #4 Mar 31 2012 12:36:45

%S 116,213013,1757594146,15249209002599,100953294298736546

%N Number of nX7 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself

%C Column 7 of A201729

%e Some solutions for 2X2

%e ..0..0..0..2..3..4..4....0..0..1..2..3..4..4....0..0..0..1..3..3..3

%e ..0..0..1..3..3..1..3....0..0..2..4..4..4..4....0..2..3..4..1..2..4

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 04 2011

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)