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!)
A283128 Number of nX6 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors. 1
64, 2816, 112276, 4598361, 187671790, 7664347268, 312996735204, 12781345612180, 521941108563948, 21314084605931116, 870384960980750200, 35543165931727677084, 1451445930088326314114, 59271458162967611805997 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A283130.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Cf. A283130.

Sequence in context: A240635 A297372 A283696 * A295714 A187623 A187631

Adjacent sequences:  A283125 A283126 A283127 * A283129 A283130 A283131

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 01 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 October 20 03:04 EDT 2021. Contains 348099 sequences. (Running on oeis4.)