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!)
A172576 Number of 4*n X n 0..1 arrays with row sums 5 and column sums 20 1
0, 0, 0, 0, 1, 3246670537110000, 352231966693098849132080247442500, 203269774721184658406475682049947158681837795504000, 746770363520310669802381642326970209622854085785862010798716821780000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

R. H. Hardin, Table of n, a(n) for n=1..11

CROSSREFS

Sequence in context: A233844 A104282 A234067 * A037249 A008913 A335395

Adjacent sequences:  A172573 A172574 A172575 * A172577 A172578 A172579

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

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 August 9 05:53 EDT 2022. Contains 356016 sequences. (Running on oeis4.)