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!)
A302373 Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
64, 21, 5110, 3143, 367512, 3858625, 188443738, 4558781926, 165780766701, 5415891438878, 189247523369764, 6553114775753702, 229298263096647662, 8027176450120824795, 281624648305633428630, 9882003741109888621778 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A302367.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

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

CROSSREFS

Cf. A302367.

Sequence in context: A302217 A302465 A303247 * A303089 A302894 A303629

Adjacent sequences:  A302370 A302371 A302372 * A302374 A302375 A302376

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 06 2018

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 May 18 18:42 EDT 2022. Contains 353824 sequences. (Running on oeis4.)