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!)
A248002 Number of length 7+5 0..n arrays with no disjoint triples in any consecutive six terms having the same sum 1
32, 15640, 448956, 9057366, 89060732, 716467630, 4083208500, 20012299980, 80865599600, 292391902714, 931669433584, 2735738178202, 7347771066556, 18524809954418, 43735006113588, 98221704148178, 209686764798744 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A247995

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..27

EXAMPLE

Some solutions for n=2

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

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A221254 A159384 A230689 * A091201 A121913 A016877

Adjacent sequences:  A247999 A248000 A248001 * A248003 A248004 A248005

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 22 05:19 EST 2022. Contains 350481 sequences. (Running on oeis4.)