%I A102349
%S A102349 0,1,4,15,55,119
%N A102349 Numbers n such that binomial(n+1,2) is in A027568.
%Y A102349 Cf. A027568.
%Y A102349 Sequence in context: A071723 A001559 A002311 this_sequence A126932 A094833 
               A039717
%Y A102349 Adjacent sequences: A102346 A102347 A102348 this_sequence A102350 A102351 
               A102352
%K A102349 nonn,fini,full
%O A102349 1,3
%A A102349 N. J. A. Sloane (njas(AT)research.att.com), Sep 06 2008