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A184196 Half the number of (n+1)X9 binary arrays with no 2X2 subblock containing exactly one 1 1
19172, 2668339, 327471410, 42079740149, 5360172454105, 685056630399242, 87501032165288029, 11179084602659460821, 1428175394298048190822, 182458818788944483329317, 23310253102420729752412513 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 8 of A184197
LINKS
EXAMPLE
Some solutions for 3X9
..0..0..1..1..0..1..0..0..1....0..0..1..1..1..1..1..1..0
..0..0..1..1..0..1..0..0..1....0..0..1..0..1..1..1..1..1
..1..1..0..1..0..1..0..0..1....1..1..1..1..0..1..0..1..1
CROSSREFS
Sequence in context: A367650 A015302 A249106 * A210316 A323966 A035925
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 10 2011
STATUS
approved

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)