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A183844 Number of (n+1)X9 binary arrays with each element of every 2X2 subblock being the sum mod 2 of two others 1
16771, 748937, 32887826, 1514840541, 68813532021, 3170254841114, 145160761315615, 6677571801577027, 306435724460478058, 14085188244943032759, 646828687624576311193, 29721310285135340886450 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A183845

LINKS

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

EXAMPLE

Some solutions for 3X9

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

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

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

CROSSREFS

Sequence in context: A128383 A052190 A068784 * A034820 A053074 A115923

Adjacent sequences:  A183841 A183842 A183843 * A183845 A183846 A183847

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 07 2011

STATUS

approved

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Last modified July 1 04:13 EDT 2022. Contains 354951 sequences. (Running on oeis4.)