%I A080978
%S A080978 1,3,7,11,19,23,31,39,55,59,67,75,91,99,115,131,163,167,175,183,199,207,
%T A080978 223,239,271,279,295,311,343,359,391,423,487,491,499,507,523,531,547,
%U A080978 563,595,603,619,635,667,683,715,747,811,819,835,851,883,899,931,963
%N A080978 a(n) = 2*A006046(n) + 1.
%C A080978 The number of edges in A080973-trees.
%Y A080978 Sequence in context: A094179 A085760 A131426 this_sequence A160216 A002145 
               A092109
%Y A080978 Adjacent sequences: A080975 A080976 A080977 this_sequence A080979 A080980 
               A080981
%K A080978 nonn
%O A080978 0,2
%A A080978 Antti Karttunen (my_firstname.my_surname(AT)iki.fi) Mar 02 2003