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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A268024 Number of nX5 0..2 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value. 1
222, 49284, 6042732, 687233742, 64075543999, 5458407864352, 420621575011611, 30224756956473940, 2036606581870015456, 130228317450437918989, 7948996398037636459735, 466076282824514311851426 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A268026.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..31

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Cf. A268026.

Sequence in context: A220230 A281696 A280311 * A267931 A268017 A267978

Adjacent sequences:  A268021 A268022 A268023 * A268025 A268026 A268027

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 24 2016

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 December 7 09:15 EST 2021. Contains 349574 sequences. (Running on oeis4.)