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A275094 Number of 6Xn 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2. 1

%I #4 Jul 16 2016 09:26:34

%S 122,17496,29120,111900,647648,5038428,38872396,303675960,2423227760,

%T 19202061888,152553328244,1215089208420,9668080103560,76882965502680,

%U 612018920913868,4870269177219740,38747349177636904,308437956528230860

%N Number of 6Xn 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.

%C Row 6 of A275090.

%H R. H. Hardin, <a href="/A275094/b275094.txt">Table of n, a(n) for n = 1..171</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A275090.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 16 2016

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Last modified September 15 11:45 EDT 2024. Contains 375938 sequences. (Running on oeis4.)