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A185748 Number of (n+1)X8 binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace 1
2688, 304584, 18242392, 1188841336, 77691779712, 5075186680192, 331658427568088, 21671299631697840, 1416043303932297408, 92529833667730376464, 6046241027601786546504, 395082861406622455945776 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A185750

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..169

EXAMPLE

Some solutions for 3X8

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

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

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

CROSSREFS

Sequence in context: A186833 A229682 A186937 * A252404 A020424 A281406

Adjacent sequences:  A185745 A185746 A185747 * A185749 A185750 A185751

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 01 2011

STATUS

approved

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Last modified July 1 15:38 EDT 2022. Contains 354973 sequences. (Running on oeis4.)