login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A250165 Number of length n+1 0..6 arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero 1

%I

%S 7,67,639,5831,49037,380939,2810751,20169871,142786013,1004527983,

%T 7047533399,49383700439,345855478109,2421574390899,16953120700735,

%U 118679602696751,830786561364589,5815618832245175,40709771502502967

%N Number of length n+1 0..6 arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero

%C Column 6 of A250167

%H R. H. Hardin, <a href="/A250165/b250165.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for n=5

%e ..6....2....3....4....4....2....3....4....6....0....0....4....1....4....2....0

%e ..3....6....0....1....2....4....4....6....0....1....0....4....6....3....0....3

%e ..6....3....3....4....6....5....6....3....5....6....6....2....2....4....4....2

%e ..6....4....2....2....1....1....3....3....6....0....1....5....4....0....1....0

%e ..6....3....3....0....6....4....6....1....1....1....2....0....6....0....4....3

%e ..0....4....3....4....2....0....5....0....4....4....0....0....5....4....6....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 13 2014

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 October 23 11:14 EDT 2021. Contains 348211 sequences. (Running on oeis4.)