login
The OEIS is supported by the many generous donors to the OEIS 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 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A237154 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock equal 1
111900, 16547988, 2178706440, 317411030268, 46125739204336, 6800622630757224, 1004492744125300076, 148720556234507966240, 22032685419605073404900, 3265529158483133171468524, 484070240704634990146069528 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A237158
LINKS
FORMULA
Empirical recurrence of order 84 (see link above)
EXAMPLE
Some solutions for n=1
..2..0..0..3..1....0..3..3..3..0....0..2..3..2..0....2..0..1..0..3
..0..3..2..0..2....0..3..0..2..3....3..0..2..0..3....2..3..0..3..3
CROSSREFS
Sequence in context: A203667 A210059 A236892 * A203739 A172699 A180467
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 7 07:10 EST 2023. Contains 367630 sequences. (Running on oeis4.)