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A206648 Number of nX6 0..2 arrays with no occurence of three equal elements in a row horizontally or vertically, and new values 0..2 introduced in row major order 1
82, 40344, 9937823, 2937839117, 826407481102, 235596375117548, 66923081500826797, 19028556027562892700, 5409059480469744048410, 1537688707897783125342152, 437126162327975923315915812 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A206650

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..0..0..1..0..1..1....0..1..1..2..0..2....0..0..1..1..2..1....0..0..1..1..2..1

..0..0..2..0..0..1....2..0..1..1..0..1....0..2..2..1..2..1....0..2..2..0..0..2

..1..1..2..1..0..2....1..1..2..1..1..0....2..2..1..2..1..2....1..0..1..2..0..2

..0..2..0..2..1..1....0..1..2..2..0..2....0..0..1..2..2..0....0..2..2..0..1..0

CROSSREFS

Sequence in context: A176024 A204976 A204703 * A120269 A015077 A015040

Adjacent sequences:  A206645 A206646 A206647 * A206649 A206650 A206651

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 11 2012

STATUS

approved

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Last modified July 26 22:38 EDT 2017. Contains 289840 sequences.