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A198527 Number of nX7 0..4 arrays with values 0..4 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors 0

%I #4 Mar 31 2012 12:36:34

%S 855,47436498,3201911378187,217885196778717007,

%T 14827770532074166305565,1009078065869144136137180812

%N Number of nX7 0..4 arrays with values 0..4 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors

%C Column 7 of A198528

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 26 2011

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)