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!)
A186799 Number of (n+2)X4 binary arrays with no 3X3 subblock commuting with any horizontal or vertical neighbor 3X3 subblock 1
3984, 59907, 906615, 13730715, 207885695, 3147544633, 47657171957, 721577251158, 10925394777419, 165421364939032, 2504644302903332, 37922809664016571, 574189116011343334, 8693795217212932116 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A186806
LINKS
EXAMPLE
Some solutions for 6X4
..0..0..1..1....1..0..1..1....1..0..0..1....0..0..1..1....0..0..1..1
..1..0..0..0....1..0..0..0....0..0..0..0....0..0..0..0....1..0..0..0
..1..0..0..0....1..1..0..0....1..1..0..0....1..1..0..0....1..0..0..0
..1..1..1..1....0..1..0..1....1..0..1..1....0..1..1..1....1..1..0..1
..1..0..1..1....1..0..0..0....0..0..1..0....0..0..0..1....1..1..1..1
..1..0..0..0....0..0..1..1....1..0..0..1....0..0..1..0....1..1..0..0
CROSSREFS
Sequence in context: A204493 A321053 A233648 * A203190 A229382 A159218
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2011
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 April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)