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A183853 Number of (n+1)X9 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others 1
92771, 2568541, 65461226, 2373353909, 84948077733, 3637653147102, 154188934678551, 6963325147796767, 312016957670582226, 14275770710942816651, 650555611278894371929, 29856567303793299342810 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A183854

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..149

EXAMPLE

Some solutions for 3X9

..0..0..2..0..2..0..2..2..0....0..0..0..0..0..2..0..2..0

..2..2..0..2..0..2..0..2..0....2..2..2..2..2..2..2..2..0

..2..0..2..2..2..2..2..2..0....0..2..0..0..0..2..0..0..2

CROSSREFS

Sequence in context: A251069 A184560 A225890 * A128277 A237682 A023945

Adjacent sequences:  A183850 A183851 A183852 * A183854 A183855 A183856

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 07 2011

STATUS

approved

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Last modified March 24 01:20 EDT 2019. Contains 321444 sequences. (Running on oeis4.)