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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A203036 Number of 6Xn 0..3 arrays with row sums equal and column sums unequal to adjacent columns 0
4, 4780, 6829968, 13106373164, 28369308592126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A203031

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some.solutions.for.n=5

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

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

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

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

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

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

CROSSREFS

Sequence in context: A079682 A127235 A274972 * A102205 A283663 A046360

Adjacent sequences:  A203033 A203034 A203035 * A203037 A203038 A203039

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 27 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 February 15 20:32 EST 2019. Contains 320138 sequences. (Running on oeis4.)