login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A172676 Number of 3*n X 9 0..2 arrays with row sums 6 and column sums 2*n 1
352128, 96307175477520, 78459796857685317493440, 97830370630931874758353953631440, 154847134246966332451923962693083298516928 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..13

CROSSREFS

Sequence in context: A251246 A237098 A172664 * A172773 A172840 A172886

Adjacent sequences:  A172673 A172674 A172675 * A172677 A172678 A172679

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 April 25 23:48 EDT 2019. Contains 322465 sequences. (Running on oeis4.)