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A186548 1/8192 the number of (n+2)X4 0..3 arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace 1
290, 19016, 1279862, 88662978, 6215002266, 435599518160, 30577245619492, 2145961447892386, 150629240515340670, 10572567332219259666, 742094548656309697042, 52087780768510204956480, 3656060603655477820657112 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A186553
LINKS
EXAMPLE
Some solutions for 6X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..2..0..0..0....0..0..0..0....0..0..0..0....3..0..0..0....2..0..0..0
..3..0..0..0....3..0..0..0....3..0..0..0....2..0..0..0....0..0..0..0
..0..1..2..0....1..1..0..0....2..1..0..0....2..0..0..0....0..2..0..0
..0..0..0..2....0..3..1..2....0..0..0..2....0..0..1..0....0..0..0..0
..2..2..2..1....1..1..1..0....3..1..2..1....1..3..0..1....3..1..2..0
CROSSREFS
Sequence in context: A237741 A335613 A369396 * A091740 A098250 A031515
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 23 2011
STATUS
approved

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Last modified April 16 12:52 EDT 2024. Contains 371711 sequences. (Running on oeis4.)