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Number of nX2 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other
1

%I #5 Mar 31 2012 12:36:42

%S 10,10,41,295,159,4587,8476,33401,272191,128622,4546620,8993979,

%T 36684736,308393680,140796536,5332902231,10823034414,44858965451,

%U 380690718127,170636868384,6712393127261,13840721168804,57974199126361

%N Number of nX2 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

%C Column 2 of A201033

%H R. H. Hardin, <a href="/A201027/b201027.txt">Table of n, a(n) for n = 1..50</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 26 2011