%I A093303
%S A093303 0,2,10,56,400,3610,39722,516400,7746016,131682290,2501963530,
%T A093303 52541234152,1208448385520,30211209638026,815702660226730,
%U A093303 23655377146575200,733316691543831232,24199450820946430690
%N A093303 a(n) = (a(n-1)*(2n-1)) + 2n with a(0)=0.
%Y A093303 Sequence in context: A165817 A000172 A097971 this_sequence A075870 A074608 
               A086871
%Y A093303 Adjacent sequences: A093300 A093301 A093302 this_sequence A093304 A093305 
               A093306
%K A093303 easy,nonn
%O A093303 0,2
%A A093303 Emrehan Halici (emrehan(AT)halici.com.tr), Apr 24 2004
%E A093303 More terms from Pab Ter (pabrlos(AT)yahoo.com), May 24 2004