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A203259 Number of nX5 0..7 arrays with every nonzero element less than or equal to some NW, E or S neighbor 1

%I #5 Mar 31 2012 12:36:56

%S 1,1224456,13994382224,71719101346406,314892411482182670,

%T 1502693979789746374595,7471149797595047377690310,

%U 36686200005797234162918342173,178609801178065499935878250539473

%N Number of nX5 0..7 arrays with every nonzero element less than or equal to some NW, E or S neighbor

%C Column 5 of A203262

%H R. H. Hardin, <a href="/A203259/b203259.txt">Table of n, a(n) for n = 1..112</a>

%e Some solutions for n=4

%e ..5..0..6..7..2....3..0..0..6..7....3..6..0..1..0....2..1..0..7..7

%e ..5..5..0..7..3....3..3..0..4..7....2..6..0..2..4....2..1..6..1..7

%e ..0..1..0..7..3....5..0..2..7..7....5..6..6..4..4....2..2..7..3..0

%e ..2..3..5..7..7....5..5..3..3..7....1..3..0..5..4....0..4..7..7..2

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 30 2011

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