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!)
A219703 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array 1
7, 13, 130, 841, 5007, 28224, 154731, 826518, 4288588, 21496147, 103865903, 483620093, 2171516102, 9418135296, 39537186771, 160971906106, 636743750790, 2450940686185, 9193416697296, 33648849380395, 120320823328471 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A219704

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..207

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A128351 A192894 A241280 * A198947 A050946 A178956

Adjacent sequences:  A219700 A219701 A219702 * A219704 A219705 A219706

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 25 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 February 24 17:29 EST 2020. Contains 332209 sequences. (Running on oeis4.)