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Number of nX4 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j
1

%I #5 Mar 31 2012 12:35:51

%S 35,1920,118128,7798591,535504390,37791169786,2719090433234,

%T 198527626261156,14661270464301970,1092691428398410348,

%U 82050496246290924387,6199895182931575557720,470968211438917677149130

%N Number of nX4 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j

%C Column 4 of A183419

%H R. H. Hardin, <a href="/A183417/b183417.txt">Table of n, a(n) for n = 1..28</a>

%e Some solutions for 6X4

%e ..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

%e ..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

%e ..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 04 2011