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A186137 Number of (n+1)X6 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace 1
187704, 21216780, 2513594016, 296649133848, 35143110551556, 4163686846399494, 493359058239095898, 58456633907530057662, 6926519345320270001520, 820714863561408296836038, 97245970628884382202256854 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A186141

LINKS

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

EXAMPLE

Some solutions for 3X6

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

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

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

CROSSREFS

Sequence in context: A251798 A253486 A253481 * A233715 A110069 A006028

Adjacent sequences:  A186134 A186135 A186136 * A186138 A186139 A186140

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 13 2011

STATUS

approved

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Last modified October 28 09:28 EDT 2021. Contains 348327 sequences. (Running on oeis4.)