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A210093 Number of (n+1)X7 0..2 arrays containing all values 0..2 with every 2X2 subblock having one or two distinct values, and new values 0..2 introduced in row major order 1
25533, 3950131, 639141361, 105669469816, 17494242506253, 2887918719647127, 474898403448944567, 77812615400950466702, 12710796571218634152842, 2071176745552331907400501, 336822080971116756469578814 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A210095

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A031837 A237865 A202646 * A184027 A023350 A163186

Adjacent sequences:  A210090 A210091 A210092 * A210094 A210095 A210096

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 17 2012

STATUS

approved

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Last modified October 6 23:36 EDT 2022. Contains 357270 sequences. (Running on oeis4.)