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A183602 1/6 the number of (n+1)X9 0..2 arrays with every 2X2 subblock containing all three values 1
209304, 30539367, 3823553752, 495215814566, 63854542807704, 8251614370134644, 1066653925785997106, 137936054886331468840, 17840841964756696807680, 2307848389145766144487866, 298559730522953008074518020 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A183603

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..40

EXAMPLE

Some solutions with a(1,1)=0 for 3X9

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

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

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

CROSSREFS

Sequence in context: A282989 A233663 A232136 * A015376 A216593 A172825

Adjacent sequences:  A183599 A183600 A183601 * A183603 A183604 A183605

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved

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Last modified October 16 15:22 EDT 2021. Contains 348042 sequences. (Running on oeis4.)