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A206207 Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order 1
14, 130, 760, 8136, 86152, 1764000, 68074272, 2870491680, 232945511040, 35774121536640, 6032245277059200, 1955894774772902400, 1200725012024612467200, 809841945662029576512000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A206215

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..20

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A021354 A208427 A006565 * A026936 A021114 A328785

Adjacent sequences:  A206204 A206205 A206206 * A206208 A206209 A206210

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 04 2012

STATUS

approved

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Last modified August 8 06:27 EDT 2020. Contains 336290 sequences. (Running on oeis4.)