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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A269338 Number of 4Xn arrays containing n copies of 0..4-1 avoiding the pattern equal-up in every row and column. 0
24, 1880, 152922, 13745475, 1301306034, 128342085219, 13047193985189, 1357312565492416, 143782288933148993, 15453753021813989744 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A269336.

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Cf. A269336.

Sequence in context: A166788 A123794 A269648 * A003738 A006685 A002671

Adjacent sequences:  A269335 A269336 A269337 * A269339 A269340 A269341

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 24 2016

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 July 20 22:20 EDT 2019. Contains 325189 sequences. (Running on oeis4.)