login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A184079 Number of (n+1)X8 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 0
2968, 11128, 422992, 18149260, 1001709070, 53028481224 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A184081

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for 3X8

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

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

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

...

...0..1..2..2..2..2..3.......0..0..1..2..3..4..4.......2..2..2..2..3..4..5...

...1..2..2..2..2..2..3.......0..1..2..3..4..5..4.......3..2..2..2..2..3..4...

CROSSREFS

Sequence in context: A179138 A236005 A107534 * A236590 A255790 A252947

Adjacent sequences:  A184076 A184077 A184078 * A184080 A184081 A184082

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 09 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 October 14 18:28 EDT 2019. Contains 328022 sequences. (Running on oeis4.)