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!)
A283202 Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly one element. 1
0, 3668, 535025, 59065412, 5855079969, 544338609740, 48652102368973, 4230873205192882, 360562132072479325, 30256295239328989014, 2508097679937110326995, 205860067447150458787552 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A283203.

LINKS

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

EXAMPLE

Some solutions for n=2

..0..0..0..1..1..0..0. .0..0..1..0..0..0..0. .1..1..1..1..0..1..0

..1..1..0..1..1..1..1. .0..1..1..1..1..1..1. .0..1..0..1..0..0..1

CROSSREFS

Cf. A283203.

Sequence in context: A190923 A255088 A283732 * A205821 A250895 A216139

Adjacent sequences:  A283199 A283200 A283201 * A283203 A283204 A283205

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 02 2017

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 January 17 23:51 EST 2022. Contains 350410 sequences. (Running on oeis4.)