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A204703 Number of nX6 0..2 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..2 introduced in row major order 1

%I #6 Feb 22 2020 20:54:24

%S 82,40344,5767683,1074195735,192759130113,34925753412578,

%T 6319625580942184,1144097011453760287,207096410275997210933,

%U 37489155843579834602268,6786272895764958062549631

%N Number of nX6 0..2 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..2 introduced in row major order

%C Column 6 of A204705

%H R. H. Hardin, <a href="/A204703/b204703.txt">Table of n, a(n) for n = 1..47</a>

%e Some solutions for n=5

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 18 2012

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Last modified April 23 07:56 EDT 2024. Contains 371905 sequences. (Running on oeis4.)