%I A033468
%S A033468 1,2,10,5,85,2210,81770,204425,204425,16762850,1693047850,
%T A033468 51637959425,1497500823325,2995001646650,590015324390050,
%U A033468 33335865828037825,8567317517805721025,17134635035611442050
%N A033468 Partial sums of sequence {1/(n^2+1)} (denominators).
%Y A033468 Sequence in context: A114232 A070730 A082192 this_sequence A047816 A095845 
               A105801
%Y A033468 Adjacent sequences: A033465 A033466 A033467 this_sequence A033469 A033470 
               A033471
%K A033468 nonn
%O A033468 0,2
%A A033468 N. J. A. Sloane (njas(AT)research.att.com).