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A208002 Number of n X n 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 1 and 1 1 0 vertically 0
2, 16, 92, 536, 7016, 90232, 3569728, 101519408, 13171648732, 783070626724, 349693561626416, 41247666769702640, 65777806787688875844, 14782056897493046845072, 86537979599825962734398012 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A208007

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A214824 A317451 A220324 * A220932 A207558 A207413

Adjacent sequences:  A207999 A208000 A208001 * A208003 A208004 A208005

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 22 2012

STATUS

approved

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Last modified August 10 13:09 EDT 2022. Contains 356039 sequences. (Running on oeis4.)