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!)
A250864 Number of (n+2)X(4+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column 1
1000000000, 125000000000, 15625000000000, 1953125000000000, 83740234375000000, 3590362548828125000, 153936794281005859375, 3379220508056640625000, 74180648592859375000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A250868

Is this the same as A250600?

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..36

EXAMPLE

Some solutions for n=1

..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0

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

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

CROSSREFS

Sequence in context: A033423 A030455 A250600 * A017181 A017277 A017517

Adjacent sequences:  A250861 A250862 A250863 * A250865 A250866 A250867

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2014

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 November 30 17:12 EST 2021. Contains 349424 sequences. (Running on oeis4.)