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!)
A249232 Number of length n+5 0..7 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four 1

%I

%S 183696,1044612,5967084,34184700,196210998,1127486210,6483080144,

%T 37310369094,214752404734,1236199073642,7116616481920,40972381884884,

%U 235906135763722,1358433992018630,7822570497770876,45047193139633734

%N Number of length n+5 0..7 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four

%C Column 7 of A249233

%H R. H. Hardin, <a href="/A249232/b249232.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..2....2....0....6....2....0....2....6....4....0....4....4....6....0....0....0

%e ..4....4....6....6....0....6....4....1....5....0....7....2....4....6....1....3

%e ..3....6....5....7....6....4....2....5....3....2....7....5....4....5....6....4

%e ..5....4....5....5....1....5....0....6....6....7....6....6....5....3....6....7

%e ..7....4....4....1....0....1....7....2....7....6....0....5....7....2....3....4

%e ..5....3....2....1....7....3....7....5....0....1....7....6....6....0....1....0

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 23 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 January 26 16:03 EST 2022. Contains 350599 sequences. (Running on oeis4.)