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A184372 1/3 the number of (n+1)X6 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically 1
58077, 15754461, 4210059673, 1127256514575, 301753233626727, 80778452206783159, 21624059735461675335, 5788675585887326994869, 1549605510397241533259837, 414823258633731476239250435 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A184376

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 3X6 with a(1,1)=0

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

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

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

CROSSREFS

Sequence in context: A119887 A188256 A124729 * A237402 A210106 A227496

Adjacent sequences:  A184369 A184370 A184371 * A184373 A184374 A184375

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 12 2011

STATUS

approved

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Last modified June 18 17:10 EDT 2021. Contains 345120 sequences. (Running on oeis4.)