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A232458 Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically, diagonally or antidiagonally 1
161, 1607067, 2403848151, 4047993038079, 7183387830867849, 12543745301001506913, 21913588245620717611365, 38310356431318984685902615, 66965122696959119443053401779, 117051888141998056642832661556075 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A232459

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..165

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Sequence in context: A203053 A232367 A232308 * A214164 A273630 A118470

Adjacent sequences:  A232455 A232456 A232457 * A232459 A232460 A232461

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 24 2013

STATUS

approved

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Last modified December 1 12:50 EST 2020. Contains 338833 sequences. (Running on oeis4.)