%I #4 Mar 31 2012 12:36:01
%S 1,1,2,2,3,19,76,476,3627,30780,191122,1143877,7374982,46220204,
%T 305794362,1874323984,11217509631,68193471721
%N Number of strings of numbers x(i=1..n) in 0..7 with sum i*x(i)^4 equal to n*2401
%C Column 7 of A184848
%e All solutions for n=5
%e ..0....7....0
%e ..7....0....0
%e ..7....0....0
%e ..0....7....0
%e ..0....0....7
%K nonn
%O 1,3
%A _R. H. Hardin_ Jan 23 2011