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!)
A238033 Number of (n+2)X(2+2) 0..1 arrays with the (lower) medians of each row and column unequal to its neighbors 1

%I #4 Feb 17 2014 07:48:08

%S 122,1004,6218,57540,305978,3010316,14910890,152094052,724320722,

%T 7559479508,35151249002,372487228468,1705834157786,18265051952972,

%U 82815310705706,893143327522980,4023089695733666,43605467765614964

%N Number of (n+2)X(2+2) 0..1 arrays with the (lower) medians of each row and column unequal to its neighbors

%C Column 2 of A238037

%H R. H. Hardin, <a href="/A238033/b238033.txt">Table of n, a(n) for n = 1..41</a>

%e Some solutions for n=4

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 17 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 March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)