login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A172823 Number of 2*n X n 0..4 arrays with row sums 7 and column sums 14 1
0, 6, 587295, 2449665403360, 150313945957168045500, 89971474429693406536937414640, 388914772864932993317961153232659601617, 9645840692950033151436461750208136925819574909120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..12

CROSSREFS

Sequence in context: A067503 A079288 A072234 * A182791 A336397 A235589

Adjacent sequences:  A172820 A172821 A172822 * A172824 A172825 A172826

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 18 06:50 EDT 2021. Contains 348066 sequences. (Running on oeis4.)