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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A247934 Number of length 7+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum 1

%I

%S 2048,66443,1189016,10628145,56329528,219338895,709026892,1940506559,

%T 4791161808,10512303109,21368446232,40334553079,72125377452,

%U 122074030273,198729314804,311785599821,474963235708,702238186339,1015270600916

%N Number of length 7+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum

%C Row 7 of A247927

%H R. H. Hardin, <a href="/A247934/b247934.txt">Table of n, a(n) for n = 1..63</a>

%e Some solutions for n=2

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

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

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

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 26 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.

Last modified August 5 14:14 EDT 2021. Contains 346469 sequences. (Running on oeis4.)