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A234119 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1 1

%I

%S 14527,1082977,79003521,5807422543,427196005695,31446640848897,

%T 2315408571668225,170502665692732079,12556134956123911615,

%U 924677153131389366689,68097056429203867060865,5014969801413653091728655

%N Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1

%C Column 5 of A234122

%H R. H. Hardin, <a href="/A234119/b234119.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 104*a(n-1) -1893*a(n-2) -33284*a(n-3) +535522*a(n-4) +4829920*a(n-5) -36672922*a(n-6) -308181352*a(n-7) +266551299*a(n-8) +4516883912*a(n-9) +2174714575*a(n-10) -20675388468*a(n-11) -11598332564*a(n-12) +40919536464*a(n-13) +9741869952*a(n-14) -32943946752*a(n-15) +6233518080*a(n-16) +2468413440*a(n-17)

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2013

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Last modified August 3 13:59 EDT 2021. Contains 346438 sequences. (Running on oeis4.)