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!)
A241127 Number of nX4 0..2 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..2 introduced in row major order 1
11, 325, 9773, 295584, 8974020, 272418756, 8270609664, 251096788713, 7623351508315, 231446775293031, 7026779711400192, 213334731852107120, 6476894113062087316, 196640073775126182008, 5970040263453594766199 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A241130

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A324422 A270815 A197448 * A268551 A108274 A295171

Adjacent sequences:  A241124 A241125 A241126 * A241128 A241129 A241130

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2014

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 August 4 13:49 EDT 2020. Contains 336201 sequences. (Running on oeis4.)