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A204958 Number of (n+1)X5 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing 1
450, 6921, 103106, 1442543, 19632936, 252709954, 3129723425, 37097334426, 424701572464, 4704392025279, 50721613017917, 534002073864820, 5513194928140939, 55986187518812436, 560944675759847942 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A204962

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A235438 A204719 A235403 * A189653 A232035 A035752

Adjacent sequences: A204955 A204956 A204957 * A204959 A204960 A204961

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 20 2012

STATUS

approved

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Last modified January 29 20:10 EST 2023. Contains 359926 sequences. (Running on oeis4.)