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!)
A326104 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
64, 5536, 181227, 7140349, 285501774, 11436374461, 457515856087, 18304957522469, 732434052866467, 29307016828624452, 1172658992868162369, 46921473708684800557, 1877464197930752217833, 75122790849233220662502 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A326105.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A326105.

Sequence in context: A067821 A283491 A300471 * A300810 A301449 A265616

Adjacent sequences:  A326101 A326102 A326103 * A326105 A326106 A326107

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 06 2019

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 August 11 00:55 EDT 2022. Contains 356046 sequences. (Running on oeis4.)