%I A032780
%S A032780 0,8064,67200,316800,1108800,3203200,8072064,18345600,38438400,
%T A032780 75398400,140025600,248312064,423259200,697132800,1114220800,
%U A032780 1734163200,2635928064,3922512000,5726448000,8216208000
%N A032780 [ n(n+1)(n+2)...(n+8) / n+(n+1)+(n+2)+...+(n+8) ].
%C A032780 Square brackets may be omitted. There are no rational solutions here!
%C A032780 S(A016861) = (5n+1) gives values n so that above divisions end with digit 
               '4'.
%Y A032780 Cf. A032765-A032798.
%Y A032780 Sequence in context: A140929 A157663 A109486 this_sequence A159224 A013378 
               A013458
%Y A032780 Adjacent sequences: A032777 A032778 A032779 this_sequence A032781 A032782 
               A032783
%K A032780 nonn
%O A032780 0,2
%A A032780 Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.