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A209812 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having two distinct values, and new values 0..3 introduced in row major order 1
29782, 2377378, 201392025, 18479672376, 1723218327331, 163050586738067, 15504605303759031, 1479750086026160266, 141469984114652971017, 13541106121228119997018, 1296999869113669232283019 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A209814

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

..0..1..0..1..1..1..0....1..0..0..0..3..0..2....2..2..2..0..0..0..2

..1..1..0..0..0..0..0....1..1..1..0..3..0..2....3..2..0..0..3..0..2

..2..1..0..1..0..1..0....2..2..1..0..3..0..0....3..2..2..0..3..0..0

..2..1..0..0..0..0..1....1..1..1..0..3..3..3....2..2..0..0..3..3..3

CROSSREFS

Sequence in context: A206070 A056747 A157614 * A258755 A251681 A183852

Adjacent sequences:  A209809 A209810 A209811 * A209813 A209814 A209815

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 13 2012

STATUS

approved

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Last modified October 5 12:19 EDT 2022. Contains 357255 sequences. (Running on oeis4.)