The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A219166 Number of n X n arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 n X n array 0
 3, 7, 146, 5853, 602498, 165134835, 144424701184 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A219173 LINKS EXAMPLE Some solutions for n=3 ..0..0..0....1..1..1....0..0..0....0..0..0....0..0..1....0..0..1....1..1..2 ..0..0..0....1..0..2....0..0..2....0..0..0....0..1..1....0..0..0....1..0..1 ..1..2..0....0..0..0....0..1..2....1..0..0....2..1..1....0..0..0....0..0..0 CROSSREFS Sequence in context: A156521 A012636 A006031 * A119958 A275195 A031881 Adjacent sequences:  A219163 A219164 A219165 * A219167 A219168 A219169 KEYWORD nonn AUTHOR R. H. Hardin Nov 13 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.

Last modified May 28 07:18 EDT 2022. Contains 354112 sequences. (Running on oeis4.)