login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A206992 Number of nX6 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically 1
44, 1936, 17460, 329952, 5517786, 88819714, 1482397764, 24487141408, 404028674322, 6680807680870, 110384929625108, 1823827049092968, 30138255315895530, 497995973048057786, 8228770269287650676 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A206994

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A170763 A218746 A158751 * A206934 A206869 A181222

Adjacent sequences:  A206989 A206990 A206991 * A206993 A206994 A206995

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 14 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 27 03:21 EDT 2020. Contains 337380 sequences. (Running on oeis4.)