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A185842 Number of (n+1)X7 0..2 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace 1
72225, 28276065, 6182861913, 1532963751183, 373447226493477, 91469611366917651, 22396183799936101173, 5482800643934316189987, 1342328585051474225431335, 328632114274707226816589733 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A185845

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..14

EXAMPLE

Some solutions for 3X7

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

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

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

CROSSREFS

Sequence in context: A234330 A333684 A187137 * A251348 A254911 A254904

Adjacent sequences: A185839 A185840 A185841 * A185843 A185844 A185845

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 05 2011

STATUS

approved

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Last modified April 2 02:53 EDT 2023. Contains 361723 sequences. (Running on oeis4.)