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A201392 Number of nX7 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other 0

%I #4 Mar 31 2012 12:36:44

%S 4,9424,19735330,18131486831,214888479967271

%N Number of nX7 0..3 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other

%C Column 7 of A201393

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 30 2011

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Last modified July 29 12:20 EDT 2024. Contains 374734 sequences. (Running on oeis4.)