The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A267665 Number of nX6 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order. 1

%I #4 Jan 19 2016 08:06:50

%S 11,242,5324,60401,624476,5663798,49212395,413258400,3417993766,

%T 28026084373,228941114008,1868432655976,15254571685815,

%U 124714040038344,1021298776008550,8379613096399389,68885791116415104,567383480583996940

%N Number of nX6 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

%C Column 6 of A267667.

%H R. H. Hardin, <a href="/A267665/b267665.txt">Table of n, a(n) for n = 1..209</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A267667.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 19 2016

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 May 18 02:23 EDT 2024. Contains 372617 sequences. (Running on oeis4.)