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!)
A302073 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. 1
32, 2048, 31760, 636852, 12063625, 230634314, 4418931065, 84488922112, 1616938426482, 30932061148349, 591839309608541, 11324992647651763, 216720956926608684, 4147396167934309138, 79369479396301029533 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A302069.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

CROSSREFS

Cf. A302069.

Sequence in context: A302270 A301846 A302969 * A302812 A303473 A208713

Adjacent sequences:  A302070 A302071 A302072 * A302074 A302075 A302076

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 31 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 20 06:36 EST 2022. Contains 350467 sequences. (Running on oeis4.)