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!)
A247999 Number of length 4+5 0..n arrays with no disjoint triples in any consecutive six terms having the same sum 1
32, 2314, 30404, 274204, 1530604, 7023686, 25559480, 81945184, 229627220, 589146362, 1382863372, 3045844044, 6298193672, 12410098698, 23332787356, 42249809280, 73777294628, 125023351498, 205838392504, 330697768288 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A247995
LINKS
EXAMPLE
Some solutions for n=3
..3....2....0....2....0....0....3....3....0....3....3....2....3....2....2....1
..3....3....3....3....1....2....3....3....3....0....1....3....0....3....3....0
..0....1....2....2....0....3....0....0....2....1....0....3....3....2....1....1
..1....1....3....0....3....0....1....1....0....3....3....0....3....0....3....0
..2....1....0....1....3....3....3....2....0....1....1....1....0....3....1....0
..0....3....3....1....0....3....3....2....2....1....3....0....0....3....3....3
..3....0....2....0....0....0....0....1....0....1....3....0....1....3....1....0
..1....1....1....1....3....1....2....1....2....0....0....0....3....3....2....3
..0....1....0....0....0....3....0....0....2....3....3....3....2....1....1....3
CROSSREFS
Sequence in context: A220730 A254458 A185968 * A222742 A077143 A198284
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)