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A204720 Number of (n+1)X6 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards 1
1267, 26128, 457635, 7549845, 118449078, 1793675684, 26575441925, 387101009622, 5580848551153, 79831422807638, 1136428975809462, 16120289112845166, 228155596334383367, 3224064782772702660, 45513153001824893788 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A204723

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A234147 A252562 A038652 * A204959 A231838 A231699

Adjacent sequences:  A204717 A204718 A204719 * A204721 A204722 A204723

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 18 2012

STATUS

approved

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Last modified June 30 06:00 EDT 2022. Contains 354914 sequences. (Running on oeis4.)