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A208368 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically 1
42, 1764, 23010, 275769, 3759574, 47178453, 570085195, 6982331490, 85099853444, 1028266559100, 12425457898119, 150136148402568, 1811048511383583, 21834166758810375, 263223641419702766, 3172338713859879000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A208369

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..1..1..1..1..0..1..0....1..0..1..0..1..1..0....0..1..1..1..1..0..1

..1..0..1..1..0..1..0....1..1..0..1..1..0..0....1..1..0..1..0..1..0

..1..1..0..1..0..1..0....0..1..1..1..1..1..0....1..1..1..1..1..1..0

..0..1..0..1..0..1..0....1..1..1..1..0..1..0....1..0..1..1..1..0..0

CROSSREFS

Sequence in context: A208419 A208027 A207807 * A207716 A208077 A009986

Adjacent sequences:  A208365 A208366 A208367 * A208369 A208370 A208371

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 25 2012

STATUS

approved

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Last modified June 27 11:08 EDT 2022. Contains 354896 sequences. (Running on oeis4.)