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!)
A249089 Number of length 4+5 0..n arrays with every six consecutive terms having two times the sum of some two elements equal to the sum of the remaining four 1

%I #4 Oct 20 2014 18:44:31

%S 22,243,4136,27213,108018,454487,1365188,3374725,8157330,17098293,

%T 32231592,59778995,102570498,165348629,263953640,401180967,586241418,

%U 850471689,1195787840,1634832071,2224059510,2958717373,3859429656

%N Number of length 4+5 0..n arrays with every six consecutive terms having two times the sum of some two elements equal to the sum of the remaining four

%C Row 4 of A249085

%H R. H. Hardin, <a href="/A249089/b249089.txt">Table of n, a(n) for n = 1..39</a>

%e Some solutions for n=5

%e ..2....4....2....2....1....0....2....4....3....5....3....4....3....5....2....3

%e ..1....3....0....1....3....1....5....3....0....4....4....5....5....4....1....3

%e ..0....0....0....0....5....2....0....5....5....0....0....0....0....0....0....0

%e ..0....5....0....2....5....4....1....4....3....4....0....0....4....1....2....1

%e ..2....2....2....4....0....3....4....4....3....4....2....1....4....2....3....5

%e ..4....4....2....0....1....2....3....4....1....1....0....2....2....3....4....3

%e ..2....1....2....2....4....0....5....4....3....5....0....1....3....5....5....0

%e ..1....0....3....4....0....4....2....3....0....1....1....2....2....4....1....0

%e ..3....0....3....3....5....2....3....5....5....3....0....0....0....3....3....0

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 20 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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 15 04:39 EDT 2024. Contains 375931 sequences. (Running on oeis4.)