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A203503 Number of nX5 0..6 arrays with every nonzero element less than or equal to some NW, E or S neighbor 1

%I #5 Mar 31 2012 12:36:57

%S 1,481122,3024812086,8828365834694,22732800433168401,

%T 63659189467084692929,184087747131825069346215,

%U 525757549404209888579097977,1492215909484853316634292325428

%N Number of nX5 0..6 arrays with every nonzero element less than or equal to some NW, E or S neighbor

%C Column 5 of A203506

%H R. H. Hardin, <a href="/A203503/b203503.txt">Table of n, a(n) for n = 1..64</a>

%e Some solutions for n=5

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 02 2012

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Last modified April 24 16:25 EDT 2024. Contains 371961 sequences. (Running on oeis4.)