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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
OFFSET
1,1
COMMENTS
Column 7 of A183710
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 2011
STATUS
approved