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!)
A219084 Hilltop maps: number of 7Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 7Xn array 1
1, 7361, 1019123, 99118753, 11660290321, 1410242020653, 167024618548071, 19746897662050241, 2339794277074504521, 277259160805907947953, 32846897167510082525531, 3891392293661362699294561 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A219078

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A204507 A295002 A235951 * A284925 A128478 A257498

Adjacent sequences:  A219081 A219082 A219083 * A219085 A219086 A219087

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 11 2012

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 19 15:03 EDT 2022. Contains 353834 sequences. (Running on oeis4.)