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A186139 Number of (n+1)X8 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace 1
9066168, 4173269994, 2044563391476, 1000411106914620, 493359058239095898, 243566994040674992586, 120347170141816347874560, 59477821878604876659005166, 29397763055311784589920812344 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A186141

LINKS

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

EXAMPLE

Some solutions for 3X8

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

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

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

CROSSREFS

Sequence in context: A157821 A106787 A105012 * A335581 A015350 A233613

Adjacent sequences:  A186136 A186137 A186138 * A186140 A186141 A186142

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 13 2011

STATUS

approved

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Last modified September 19 15:09 EDT 2021. Contains 347563 sequences. (Running on oeis4.)