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!)
A248451 Number of length 3+5 0..n arrays with no three disjoint pairs in any consecutive six terms having the same sum 1
92, 3000, 39072, 263212, 1233820, 4497352, 13682340, 36288604, 86517940, 189292652, 385999820, 742178660, 1357677856, 2379662756, 4019142092, 6571207968, 10440102864, 16169225028, 24476993264, 36299258256, 52839159000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A248448

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..32

EXAMPLE

Some solutions for n=3

..3....0....2....0....0....0....0....3....1....3....3....0....2....3....3....0

..1....0....0....2....1....0....0....2....2....2....1....2....0....3....1....1

..0....3....0....0....3....3....1....1....2....3....1....2....0....0....2....3

..0....2....1....3....2....1....3....1....2....2....0....0....3....3....1....1

..1....1....1....3....0....3....1....3....0....0....2....1....0....3....0....3

..3....0....1....0....2....1....3....0....2....2....3....3....3....2....3....1

..0....1....3....0....3....2....3....0....3....2....3....2....0....0....3....0

..3....0....0....1....2....1....0....0....0....1....2....0....1....0....1....0

CROSSREFS

Sequence in context: A265923 A249236 A166824 * A017808 A035741 A035808

Adjacent sequences:  A248448 A248449 A248450 * A248452 A248453 A248454

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 06 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 27 13:38 EST 2022. Contains 350607 sequences. (Running on oeis4.)