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A183800 1/4 the number of (n+1)X8 0..3 arrays with no 2X2 subblock having sum 6 0
294840155, 5558261214722, 103901117941072621, 1945547111978093787994, 36416871665698098357399165, 681711632433215037867828560638 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A183802

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for 3X8

..0..0..0..0..0..2..3..1....0..0..0..0..0..0..1..3....0..0..0..0..0..2..0..0

..0..0..0..0..0..0..3..1....0..0..0..0..0..0..1..2....0..0..0..0..0..2..1..3

..0..0..0..0..0..3..2..3....0..0..0..0..0..1..0..0....0..0..0..0..0..2..3..1

CROSSREFS

Sequence in context: A291459 A034640 A186015 * A289908 A182990 A022219

Adjacent sequences:  A183797 A183798 A183799 * A183801 A183802 A183803

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 07 2011

STATUS

approved

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Last modified June 28 21:04 EDT 2022. Contains 354907 sequences. (Running on oeis4.)