login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A252175 Number of length n+2 0..6 arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero 0
7, 917, 2729, 39109, 277101, 2485637, 18231947, 135424961, 963247737, 6838373877, 48103629141, 337900112109, 2368821073603, 16597473994629, 116236940081089 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A252177

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

Some solutions for n=4

..3....6....3....4....6....2....6....0....4....0....5....6....5....0....0....0

..2....1....6....4....3....1....0....2....0....6....6....4....6....0....1....4

..4....2....6....5....5....4....2....2....5....0....3....4....1....5....3....5

..5....1....1....5....3....2....6....0....0....0....6....6....5....1....5....0

..5....4....3....2....1....3....5....4....5....5....1....5....0....2....2....6

..3....1....0....5....0....1....2....1....3....5....4....4....3....5....6....1

CROSSREFS

Sequence in context: A177908 A127102 A269932 * A038808 A068728 A028990

Adjacent sequences:  A252172 A252173 A252174 * A252176 A252177 A252178

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 15 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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 15 04:00 EST 2018. Contains 317225 sequences. (Running on oeis4.)