login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A249879 Number of length n+6 0..4 arrays with no seven consecutive terms having the maximum of any three terms equal to the minimum of the remaining four terms 1
40740, 136010, 463880, 1599494, 5545760, 19280050, 67100334, 233536170, 815743709, 2851383464, 9968776923, 34851713656, 121833022602, 425845518315, 1488332695880, 5204198276461, 18200494366672, 63655428624786 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A249883
LINKS
EXAMPLE
Some solutions for n=2
..4....1....1....0....1....3....0....3....1....0....3....2....0....1....0....1
..1....4....0....4....4....1....1....1....2....2....0....1....3....3....2....3
..0....2....0....3....4....4....0....4....0....1....2....1....0....1....4....0
..2....4....1....4....1....0....2....3....4....2....2....4....4....2....3....3
..2....1....4....0....3....1....4....2....2....0....0....4....1....3....1....2
..2....3....0....4....3....2....2....1....0....0....1....4....4....4....1....3
..1....3....2....0....1....3....0....4....2....2....3....3....0....1....4....3
..2....0....2....4....1....4....0....3....1....4....0....2....2....3....0....0
CROSSREFS
Sequence in context: A250955 A334004 A097238 * A046180 A031668 A164648
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 07 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 July 12 15:21 EDT 2024. Contains 374251 sequences. (Running on oeis4.)