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A206633 Number of (n+1)X7 0..2 arrays with every 2X3 or 3X2 subblock having no more than four equal edges, and new values 0..2 introduced in row major order 1
782246, 1649819344, 3486207195767, 7365962082764193, 15563412880264965921, 32883690237686565806902, 69479426940659354584343140, 146801978229825187395072986335, 310175569456316609985253179357234 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A206635

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..193

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A233948 A204312 A237089 * A184213 A205261 A157993

Adjacent sequences:  A206630 A206631 A206632 * A206634 A206635 A206636

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 10 2012

STATUS

approved

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Last modified January 20 19:22 EST 2021. Contains 340332 sequences. (Running on oeis4.)