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A206508 Number of (n+1)X5 0..2 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards 1
19797, 1020756, 41873838, 1483188648, 47830788954, 1444445274765, 41561685861258, 1152430341911256, 31037137973162439, 816543046767301710, 21075169065968338644, 535422905459574902352, 13424260728041018703732 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A206512

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A253454 A237096 A252206 * A206058 A236497 A194197

Adjacent sequences:  A206505 A206506 A206507 * A206509 A206510 A206511

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 08 2012

STATUS

approved

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Last modified December 8 08:31 EST 2021. Contains 349594 sequences. (Running on oeis4.)