A172744 - OEIS

%I #4 Mar 31 2012 12:35:41

%S 1,3139,19546975,79089365395,455886376926451,3065961180872817781,

%T 22406966527952120859529,176369571737525105395211155,

%U 1469748355306450464225368161315,12810903082325592313645532408260249

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

%H R. H. Hardin, <a href="/A172744/b172744.txt">Table of n, a(n) for n=1..26</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010