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!)
A237063 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal 1
2823, 25451, 243256, 2913981, 33501807, 454477716, 5566497747, 80054821507, 1006565794326, 14930004573317, 190129297658517, 2870540834480054, 36803684579167301, 561607662055870777, 7227859031663121762 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237067

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A182151 A182085 A271580 * A251014 A205201 A205059

Adjacent sequences:  A237060 A237061 A237062 * A237064 A237065 A237066

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 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 December 2 20:25 EST 2021. Contains 349445 sequences. (Running on oeis4.)