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!)
A223667 Number of nX6 0..1 arrays with rows, diagonals and antidiagonals unimodal 1

%I #4 Mar 25 2013 09:34:34

%S 22,484,5913,49561,364959,2715255,21347949,176196273,1493319998,

%T 12752674920,108775648521,925164714995,7854870418554,66655562324108,

%U 565717490459602,4802772296256892,40782742978895315,346338434126201765

%N Number of nX6 0..1 arrays with rows, diagonals and antidiagonals unimodal

%C Column 6 of A223669

%H R. H. Hardin, <a href="/A223667/b223667.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 25 2013

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 August 27 05:29 EDT 2024. Contains 375462 sequences. (Running on oeis4.)