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!)
A219631 Number of 5 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 5 X n array. 1
21, 105, 2134, 37787, 556742, 6834071, 72702948, 702445374, 6294733792, 53030925012, 423667362928, 3227141426434, 23525716592355, 164621180489825, 1108581089567797, 7201000479521853, 45212923515402777, 274902776652641870 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A219627.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Cf. A219627.

Sequence in context: A235876 A279763 A068986 * A226742 A077400 A041854

Adjacent sequences:  A219628 A219629 A219630 * A219632 A219633 A219634

KEYWORD

nonn,changed

AUTHOR

R. H. Hardin Nov 24 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 October 20 05:54 EDT 2021. Contains 348099 sequences. (Running on oeis4.)