The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A201381 Number of nX5 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other 1

%I

%S 2,9,115,483,7148,24779,295813,804538,7711613,17135660,137991357,

%T 261853930,1838296465,3078156753,19352193027,29273561002,168059197372,

%U 233637796573,1242746736360,1608517392555,8015798428649,9756858004272

%N Number of nX5 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other

%C Column 5 of A201384

%H R. H. Hardin, <a href="/A201381/b201381.txt">Table of n, a(n) for n = 1..180</a>

%e Some solutions for n=6

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 30 2011

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.

Last modified May 27 03:13 EDT 2022. Contains 354093 sequences. (Running on oeis4.)