A172740 - OEIS

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

%S 1,19,415,8515,194851,4705381,117546409,3017084995,79089365395,

%T 2108358849529,56983034209069,1557850709802421,43004935312603525,

%U 1197072354214287955,33562172767661519455,946925090316795061315

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

%H R. H. Hardin, <a href="/A172740/b172740.txt">Table of n, a(n) for n=1..99</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010