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A203275 Number of nX6 0..5 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 1,2229009,38204132307,273475278673606,1710751676209296372,

%T 11855913847814563858262,85442744497742460143930997,

%U 607427531129462041273525413209,4283331067191055533724625325231407

%N Number of nX6 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor

%C Column 6 of A203277

%H R. H. Hardin, <a href="/A203275/b203275.txt">Table of n, a(n) for n = 1..75</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 31 2011

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Last modified June 25 02:21 EDT 2024. Contains 373691 sequences. (Running on oeis4.)