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A202439 Number of (n+2)X(n+2) binary arrays avoiding patterns 001 and 110 in rows, columns and nw-to-se diagonals 0
80, 226, 676, 1890, 5512, 15314, 45156, 126066, 375592, 1052546, 3159364, 8876866, 26794792, 75431922, 228696388 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A202447

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

Some solutions for n=4

..0..1..0..0..0..0....0..1..0..1..1..1....1..1..1..1..1..1....0..0..0..0..0..0

..1..1..1..1..1..1....1..1..1..1..1..1....1..0..1..0..1..0....1..1..1..1..1..1

..0..1..1..1..1..1....0..1..0..1..1..1....1..0..1..1..1..1....1..0..1..0..1..0

..1..1..1..1..1..1....0..1..1..1..1..1....1..0..1..0..1..0....1..1..1..1..1..1

..1..1..1..1..1..1....0..1..0..1..1..1....1..0..1..0..1..1....1..0..1..0..1..1

..1..1..1..1..1..1....0..1..1..1..1..1....1..0..1..0..1..1....1..1..1..1..1..1

CROSSREFS

Sequence in context: A044412 A044793 A211689 * A203355 A203348 A235098

Adjacent sequences:  A202436 A202437 A202438 * A202440 A202441 A202442

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 19 2011

STATUS

approved

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Last modified August 15 01:47 EDT 2020. Contains 336485 sequences. (Running on oeis4.)