login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A218521 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 nX7 array 1
602, 242438, 100029148, 38497164700, 15254005086276, 5977895789290552, 2345237392530015812, 920135128267216305816, 361061212834288178529464, 141687156380002483076174644, 55601697647561060078651796422 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A218522

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..53

EXAMPLE

Some solutions for n=3

..0..0..0..0..0..3..3....0..0..0..0..1..0..0....0..0..0..0..0..0..1

..0..0..0..0..1..2..2....0..0..0..1..2..0..0....0..0..0..0..1..0..0

..0..0..0..2..3..1..1....0..1..3..2..1..0..1....0..0..2..3..1..0..3

CROSSREFS

Sequence in context: A184193 A218650 A218180 * A145331 A252957 A066785

Adjacent sequences:  A218518 A218519 A218520 * A218522 A218523 A218524

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 31 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 September 26 13:25 EDT 2021. Contains 347668 sequences. (Running on oeis4.)