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!)
A172702 Number of 6*n X n 0..2 arrays with row sums 3 and column sums 18 1
0, 924, 28425752310361, 128167620006030442731491136, 31265195228897742672250371317378119778400, 208166284750977846936978491445694459933214981665738410000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A172830 A172880 A172912 * A159701 A115696 A066741
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 6 17:18 EDT 2024. Contains 374980 sequences. (Running on oeis4.)