login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A207212 Number of 6Xn 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal 1
523, 273529, 58023139, 12412097426, 2765632587041, 619075354969204, 139281562211310598, 31362497509282851953, 7067965819921068380851, 1593067527951594201161071, 359113371032101783367353820 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A207208

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..29

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

CROSSREFS

Sequence in context: A209875 A080912 A183830 * A207206 A206732 A207356

Adjacent sequences:  A207209 A207210 A207211 * A207213 A207214 A207215

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 15 2012

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 6 12:26 EDT 2022. Contains 355110 sequences. (Running on oeis4.)