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A222278 Number of nX5 0..5 arrays with no entry increasing mod 6 by 5 rightwards or downwards, starting with upper left zero 2

%I

%S 625,972405,1513010465,2354171487645,3662978221194885,

%T 5699418948690910545,8868023343395876315745,

%U 13798220262404977892742445,21469370911390982766132649045,33405314494566540518963638820105

%N Number of nX5 0..5 arrays with no entry increasing mod 6 by 5 rightwards or downwards, starting with upper left zero

%C Column 5 of A222281

%H R. H. Hardin, <a href="/A222278/b222278.txt">Table of n, a(n) for n = 1..135</a>

%F Empirical: a(n) = 1784*a(n-1) -372607*a(n-2) +28170251*a(n-3) -798596554*a(n-4) +1889917225*a(n-5) +177172468750*a(n-6) -651776500000*a(n-7)

%e Some solutions for n=2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 14 2013

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Last modified January 18 14:40 EST 2022. Contains 350455 sequences. (Running on oeis4.)