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!)
A205464 Number of (n+1)X7 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor 0
10876432, 3053150968, 1185601231024, 461355684937208, 178097908817359584, 68862365329186909360, 26629795409510135065440, 10296713802508008634192456, 3981422133075217184705209320 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A205466

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A151909 A205664 A205953 * A202470 A224639 A298704

Adjacent sequences:  A205461 A205462 A205463 * A205465 A205466 A205467

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 27 2012

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 August 14 06:54 EDT 2022. Contains 356110 sequences. (Running on oeis4.)