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!)
A219420 Unchanging value maps: number of nX7 binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 nX7 array 0
37, 1292, 46776, 1709703, 61543422, 2222033208, 80311501599, 2901751767246, 104841170968961, 3788037696651135, 136865946433226693, 4945112174030871404, 178672220976540890315, 6455619364480811829503 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A219421

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A218841 A246461 A006062 * A162851 A163220 A163645

Adjacent sequences:  A219417 A219418 A219419 * A219421 A219422 A219423

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 19 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 25 14:14 EST 2022. Contains 350572 sequences. (Running on oeis4.)