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!)
A301447 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
16, 401, 5930, 91370, 1423344, 22207589, 346263718, 5399605493, 84198470831, 1312961721912, 20473797385819, 319260349892947, 4978419327889986, 77631501971204037, 1210554922385559732, 18876914499872038074 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A301450.

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..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

CROSSREFS

Cf. A301450.

Sequence in context: A300469 A326102 A300808 * A202733 A261833 A172205

Adjacent sequences:  A301444 A301445 A301446 * A301448 A301449 A301450

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 21 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 24 19:38 EDT 2022. Contains 354043 sequences. (Running on oeis4.)