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!)
A184610 Half the number of (n+1)X6 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 1
1250, 32042, 828804, 22837236, 624608260, 16993352260, 462355902596, 12592730376316, 342921355920877, 9337694288241678, 254263229613894979, 6923654028252059932, 188532234364421561529, 5133759961479300129378 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A184614

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 3X6

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

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

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

...

...0..1..2..2..3.......2..2..1..1..2.......0..1..2..2..3.......0..0..1..2..1...

...0..0..1..2..3.......2..2..1..0..1.......1..1..1..2..3.......1..1..2..2..1...

CROSSREFS

Sequence in context: A122272 A330650 A195810 * A106322 A035762 A107558

Adjacent sequences:  A184607 A184608 A184609 * A184611 A184612 A184613

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 18 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 21 21:32 EDT 2021. Contains 347605 sequences. (Running on oeis4.)