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!)
A172840 Number of 3*n X 9 0..4 arrays with row sums 6 and column sums 2*n 1

%I

%S 352128,811889208811800,4512934309457492170923216,

%T 37736268336701361777964258280263320,

%U 398985427051117716339042202464595044584127768

%N Number of 3*n X 9 0..4 arrays with row sums 6 and column sums 2*n

%H R. H. Hardin, <a href="/A172840/b172840.txt">Table of n, a(n) for n=1..13</a>

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2010

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 19 16:39 EDT 2022. Contains 356229 sequences. (Running on oeis4.)