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A204722 Number of (n+1)X8 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards 1
9490, 502546, 19292513, 748847269, 26575441925, 924334074451, 31109609768113, 1032596649313763, 33808137876018312, 1098887626372500481, 35506743231698128908, 1143308561475017169435, 36719645002107592437613 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A204723

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A235515 A161726 A110076 * A204961 A237104 A156402

Adjacent sequences:  A204719 A204720 A204721 * A204723 A204724 A204725

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 18 2012

STATUS

approved

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Last modified August 10 20:21 EDT 2022. Contains 356039 sequences. (Running on oeis4.)