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Number of 3X3 0..n arrays with row sums equal and no column sum equal to the previous
1

%I #5 Mar 31 2012 12:36:50

%S 38,624,4740,23036,83994,250668,645968,1487832,3136542,6155240,

%T 11386212,20043612,33825674,55046532,86791272,133093760,199141470,

%U 291506184,418405556,589993572,818685762,1119516332,1510533960,2013232464

%N Number of 3X3 0..n arrays with row sums equal and no column sum equal to the previous

%C Row 3 of A202714

%H R. H. Hardin, <a href="/A202715/b202715.txt">Table of n, a(n) for n = 1..49</a>

%e Some solutions for n=5

%e ..1..5..1....1..0..2....1..2..5....3..3..0....5..2..3....5..1..1....0..2..2

%e ..1..3..3....1..1..1....4..1..3....3..1..2....3..5..2....4..0..3....3..1..0

%e ..4..2..1....3..0..0....4..0..4....4..1..1....1..4..5....1..5..1....1..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 23 2011