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A183708 Number of (n+1)X8 0..3 arrays with every 2X2 subblock nonsingular 1
871232952, 17600152230096, 353161421431958880, 7096672408605671392416, 142559496381482334039141888, 2863979225676951763894821578784, 57535515249805594625825370853448832 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A183710

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..14

EXAMPLE

Some solutions for 3X8

..0..2..0..2..0..1..3..2....0..2..0..2..0..1..3..1....0..2..0..2..0..1..3..1

..2..0..2..0..1..3..3..3....2..0..2..0..1..2..1..0....2..0..2..0..1..0..3..2

..0..1..0..1..0..2..0..1....0..1..0..1..2..0..2..3....0..1..0..1..0..3..3..0

CROSSREFS

Sequence in context: A204141 A214557 A214558 * A210299 A178557 A157798

Adjacent sequences:  A183705 A183706 A183707 * A183709 A183710 A183711

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 06 2011

STATUS

approved

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Last modified May 31 09:30 EDT 2020. Contains 334748 sequences. (Running on oeis4.)