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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A248455 Number of length 7+5 0..n arrays with no three disjoint pairs in any consecutive six terms having the same sum 1

%I #4 Oct 06 2014 18:50:54

%S 422,95972,5407584,101700684,1093511486,7928947808,43396532796,

%T 191874809608,719782096174,2364670301040,6970470829612,18772536477828,

%U 46838527917882,109457792126292,241702122321108,507897834185012

%N Number of length 7+5 0..n arrays with no three disjoint pairs in any consecutive six terms having the same sum

%C Row 7 of A248448

%H R. H. Hardin, <a href="/A248455/b248455.txt">Table of n, a(n) for n = 1..27</a>

%e Some solutions for n=2

%e ..0....1....1....2....2....0....0....0....1....2....2....0....1....1....0....1

%e ..0....2....0....0....2....2....2....2....1....1....2....1....0....2....2....2

%e ..1....0....2....2....2....0....2....1....2....1....0....2....0....2....0....1

%e ..0....1....2....2....2....0....0....2....2....2....1....0....1....2....0....1

%e ..0....1....0....2....2....1....0....2....1....0....0....0....0....0....2....0

%e ..2....0....0....1....1....0....0....1....1....1....0....0....0....1....1....0

%e ..0....0....0....2....0....0....0....0....0....0....0....0....0....2....2....0

%e ..1....0....1....1....2....1....2....2....1....0....0....2....2....2....0....0

%e ..1....0....2....2....0....0....1....0....2....2....0....0....1....2....2....0

%e ..1....1....2....2....2....0....2....0....0....1....1....1....1....2....1....2

%e ..2....2....2....0....0....0....2....1....0....0....1....1....1....2....2....0

%e ..0....0....0....2....1....0....0....0....0....2....2....1....0....1....2....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 06 2014

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.

Last modified September 10 00:02 EDT 2024. Contains 375765 sequences. (Running on oeis4.)