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A183791 Half the number of (n+1)X9 0..2 arrays with no 2X2 subblock having sum 4 1
24329052, 67714639662, 182672398106924, 497350558783784298, 1350253009910264801420, 3669246745844998053514738, 9967780407278401322169609464, 27081302315719663051228636805358 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A183792

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

EXAMPLE

Some solutions for 3X9

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

..0..0..0..0..0..0..1..0..1....0..0..0..0..0..1..0..0..0

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

CROSSREFS

Sequence in context: A135954 A203260 A268290 * A115533 A256013 A187315

Adjacent sequences:  A183788 A183789 A183790 * A183792 A183793 A183794

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 07 2011

STATUS

approved

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Last modified January 21 07:12 EST 2022. Contains 350473 sequences. (Running on oeis4.)