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 A222142 Number of nX6 0..4 arrays with no entry increasing mod 5 by 4 rightwards or downwards, starting with upper left zero 2

%I

%S 1024,1485172,2154990196,3127020364012,4537511642094436,

%T 6584229526795818280,9554152945600145235628,

%U 13863708507689968892320744,20117158974980617877295384292,29191329651902717463310508940292

%N Number of nX6 0..4 arrays with no entry increasing mod 5 by 4 rightwards or downwards, starting with upper left zero

%C Column 6 of A222144

%H R. H. Hardin, <a href="/A222142/b222142.txt">Table of n, a(n) for n = 1..111</a>

%F Empirical: a(n) = 1910*a(n-1) -746856*a(n-2) +124320628*a(n-3) -10313248058*a(n-4) +417297259303*a(n-5) -5371776948993*a(n-6) -144881780734145*a(n-7) +5274831960463364*a(n-8) -45780209792137640*a(n-9) -140573041383130216*a(n-10) +3955153630968769080*a(n-11) -18222739641404543648*a(n-12) +22673499799174192384*a(n-13)

%e Some solutions for n=2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 09 2013

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Last modified August 12 07:45 EDT 2022. Contains 356067 sequences. (Running on oeis4.)