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A234824 Number of (n+1)X(n+1) 0..2 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases 1
69, 9207, 6566460, 24157113543, 449708506898208, 41871771443346465840, 19350145309183022128305720, 44147611144852903747954064790315, 495356111860226608697583545499495505848 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A234832

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..10

EXAMPLE

Some solutions for n=2

..0..0..0....1..0..0....1..1..2....2..0..1....0..2..2....1..0..0....2..2..0

..2..2..2....2..0..1....1..2..2....0..0..0....1..0..0....1..1..2....2..2..0

..0..0..1....0..0..0....2..2..0....2..2..2....0..0..2....2..0..1....0..0..1

CROSSREFS

Sequence in context: A264171 A297550 A049000 * A232719 A297807 A251002

Adjacent sequences:  A234821 A234822 A234823 * A234825 A234826 A234827

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 31 2013

STATUS

approved

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Last modified October 7 14:13 EDT 2022. Contains 357271 sequences. (Running on oeis4.)