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!)
A223715 Number of nX6 0..1 arrays with row sums and column sums unimodal 0
22, 1066, 41389, 1470857, 47624032, 1443186250, 41246442844, 1127371554425, 29645620713939, 755435424827724, 18737274345032049, 454323647753916442 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A223716
LINKS
EXAMPLE
Some solutions for n=3
..1..0..1..1..1..1....1..1..1..0..1..0....0..0..0..0..1..0....1..0..0..1..1..1
..1..1..1..1..1..0....1..1..0..1..0..0....0..1..0..1..0..0....0..1..1..1..1..1
..0..1..0..0..1..0....1..1..1..0..0..0....0..0..1..1..0..1....0..0..1..0..1..0
CROSSREFS
Sequence in context: A004633 A232277 A223781 * A255957 A209728 A319667
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 26 2013
STATUS
approved

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 2 02:30 EST 2024. Contains 370447 sequences. (Running on oeis4.)