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A185841 Number of (n+1)X6 0..2 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace 1
12609, 2506851, 254648349, 29306445165, 3293066139075, 373447226493477, 42234121752791535, 4780252449901079883, 540916812735057941751, 61212736629353668954095, 6926987609291166804461061 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A185845

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..68

EXAMPLE

Some solutions for 3X6

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

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

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

CROSSREFS

Sequence in context: A248709 A261860 A187136 * A219332 A254262 A254255

Adjacent sequences:  A185838 A185839 A185840 * A185842 A185843 A185844

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 05 2011

STATUS

approved

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Last modified October 28 18:25 EDT 2020. Contains 338064 sequences. (Running on oeis4.)