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A196426 Number of nX4 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than itself 1

%I #5 Mar 31 2012 12:36:26

%S 11,809,27583,1436945,67917500,3308601959,161187862053,7798861912989,

%T 378707068543349,18386677122989718,892343161380306411,

%U 43311507597470368815,2102210778739358126501,102035875956252609950937

%N Number of nX4 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than itself

%C Column 4 of A196430

%H R. H. Hardin, <a href="/A196426/b196426.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 02 2011

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)