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A186956 1/729 the number of (n+2)X5 0..2 arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace 1
831, 112707, 5903759, 373049827, 22237406277, 1352397401223, 81727735220193, 4949074316433529, 299482222563196133, 18126731672199604237, 1097073061584956632581, 66399141979879392520485 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A186962

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 4X5

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

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

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

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

CROSSREFS

Sequence in context: A125519 A351666 A045070 * A252561 A264318 A264141

Adjacent sequences:  A186953 A186954 A186955 * A186957 A186958 A186959

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 01 2011

STATUS

approved

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Last modified July 4 20:49 EDT 2022. Contains 355086 sequences. (Running on oeis4.)