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A183709
Number of (n+1)X9 0..3 arrays with every 2X2 subblock nonsingular
1
11208812712, 771732813754128, 52731638795200916256, 3608961753073209868200240, 246907689712402743573482286144, 16893652701074804322774461983910592
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OFFSET
1,1
COMMENTS
Column 8 of
A183710
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..7
EXAMPLE
Some solutions for 3X9
..0..2..0..2..0..2..1..3..2....0..2..0..2..0..2..2..3..0
..2..0..2..0..2..0..3..1..1....2..0..2..0..2..0..3..2..3
..0..2..0..1..0..2..1..1..3....0..2..0..1..0..2..1..3..1
CROSSREFS
Sequence in context:
A095426
A038453
A290390
*
A247312
A204780
A333131
Adjacent sequences:
A183706
A183707
A183708
*
A183710
A183711
A183712
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jan 06 2011
STATUS
approved
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Last modified August 24 17:23 EDT 2024. Contains 375417 sequences. (Running on oeis4.)