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A208198 Number of nX5 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors 1

%I

%S 51,41272,39725054,38372808893,37069738362057,35810971705853725,

%T 34594950233928279876,33420220819293699707599,

%U 32285381308444124871905667,31189077171790298063795540459,30129999876244591484571731949842

%N Number of nX5 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors

%C Column 5 of A208201

%H R. H. Hardin, <a href="/A208198/b208198.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 928*a(n-1) +38247*a(n-2) -1419908*a(n-3) -25003347*a(n-4) +1012531896*a(n-5) -9450054156*a(n-6) +24082844974*a(n-7) +80821917709*a(n-8) -489140400628*a(n-9) +403243304428*a(n-10) +1648713698424*a(n-11) -3331507779798*a(n-12) +632406681414*a(n-13) +2327643475767*a(n-14) -977046212844*a(n-15) -462110735853*a(n-16) +172474098336*a(n-17) +29511981612*a(n-18) -7270112880*a(n-19) for n>20

%e Some solutions for n=4

%e ..0..0..0..1..0....0..0..0..0..0....0..1..0..0..0....0..1..1..0..0

%e ..0..1..1..0..2....0..1..0..2..0....1..0..0..1..0....0..2..0..0..2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 24 2012

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Last modified September 30 14:38 EDT 2022. Contains 357106 sequences. (Running on oeis4.)