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!)
A210351 1/4 the number of (n+1)X5 0..3 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences 1
49484, 13288986, 3506487749, 934012605398, 248817068842201, 66307681156504928, 17671175952055398322, 4709507638686926395711, 1255126061290822709489429, 334502823235487329400306910 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A210355

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A251910 A235172 A251026 * A234563 A251881 A187856

Adjacent sequences:  A210348 A210349 A210350 * A210352 A210353 A210354

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 20 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 18 16:56 EDT 2021. Contains 347532 sequences. (Running on oeis4.)