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A275503 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2. 1

%I #4 Jul 30 2016 20:00:02

%S 365,69984,50000,73856,75024,346528,1643372,7886280,37846556,

%T 182923008,884628720,4276847052,20741192940,100647222904,488252256740,

%U 2372706557348,11527428408920,56008813182076,272332971514256

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

%C Column 7 of A275504.

%H R. H. Hardin, <a href="/A275503/b275503.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A275504.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 30 2016

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)