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A275130 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2. 1

%I #4 Jul 17 2016 11:00:48

%S 365,4096,10077,48451,412306,3586068,31446544,276145917,2432426709,

%T 21443562178,188954647355,1664477862236,14666416028009,

%U 129260090882281,1139083482681178,10037066997078506,88448338430227606,779467930298530878

%N Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.

%C Column 7 of A275131.

%H R. H. Hardin, <a href="/A275130/b275130.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A275131.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 17 2016

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Last modified March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)