%I A111154
%S A111154 1,1,5,22,125,948,8627,86618,970649,13105048,206672615,3084750894,39005776445,
%T A111154 972651041372,45030832321499,489627529809250,65060172242461567,100399556385989760,
%U A111154 378285729309697789679,921583343151423434486,2826260367937145199562267
%V A111154 1,1,5,22,125,948,8627,86618,970649,13105048,206672615,3084750894,39005776445,
%W A111154 972651041372,45030832321499,489627529809250,-65060172242461567,100399556385989760,
%X A111154 378285729309697789679,921583343151423434486,-2826260367937145199562267
%N A111154 a(n) = sum(k=0,n,B_k*A000629(k)*A000629(n-k)) where B_k is the k-th Bernoulli 
               number.
%Y A111154 Cf. A052882.
%Y A111154 Sequence in context: A159596 A020077 A033462 this_sequence A028561 A009638 
               A121942
%Y A111154 Adjacent sequences: A111151 A111152 A111153 this_sequence A111155 A111156 
               A111157
%K A111154 sign
%O A111154 0,3
%A A111154 Benoit Cloitre (benoit7848c(AT)orange.fr), Oct 19 2005