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A275351 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2. 1

%I #4 Jul 24 2016 10:04:16

%S 365,104976,235072,1530060,20917472,351504904,5814135340,101593710948,

%T 1804283175916,31575745629020,553989175825432,9795187879275832,

%U 173209703832176748,3054645736558927796,53918074086885218288

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

%C Column 7 of A275352.

%H R. H. Hardin, <a href="/A275351/b275351.txt">Table of n, a(n) for n = 1..40</a>

%e Some solutions for n=2

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

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

%Y Cf. A275352.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 24 2016

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Last modified April 16 05:35 EDT 2024. Contains 371697 sequences. (Running on oeis4.)