Search: id:A051893
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%I A051893
%S A051893 1,1,5,50,850,22100,817700,40885000,2657525000,217917050000,
%T A051893 22009622050000,2685173890100000,389350214064500000,
%U A051893 66189536390965000000,13039338669020105000000
%N A051893 a(n)=sum(i^2*a(i),i=1..n-1), a(1)=1;.
%F A051893 Product(i^2+1, i=2..n-1) (n>2). - Vladeta Jovovic (vladeta(AT)eunet.rs), 
               Nov 26 2002
%Y A051893 Cf. A101686.
%Y A051893 Sequence in context: A113132 A088992 A116906 this_sequence A082100 A070995 
               A063803
%Y A051893 Adjacent sequences: A051890 A051891 A051892 this_sequence A051894 A051895 
               A051896
%K A051893 nice,nonn
%O A051893 1,3
%A A051893 Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Dec 17 1999

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