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A187437 Number of (n+1)X6 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors 1
365485, 150878368, 62735788524, 26149356865336, 10892264636400698, 4538075433355553643, 1890619227290921101120, 787665007015732116012615, 328154178211463733692477790, 136714491883321598821583125411 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A187441

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..13

EXAMPLE

Some solutions for 3X6

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

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

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

CROSSREFS

Sequence in context: A230754 A205043 A234896 * A237390 A263237 A263196

Adjacent sequences:  A187434 A187435 A187436 * A187438 A187439 A187440

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 10 2011

STATUS

approved

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Last modified June 16 19:49 EDT 2021. Contains 345068 sequences. (Running on oeis4.)