%I A049981
%S A049981 1,2,4,6,9,13,17,21,28,34,40,49,56,64,77,86,95,110,120,132,150,163,175,
%T A049981 195,210,225,248,265,280,308,324,342,370,390,412,445,464,486,519,545,
%U A049981 566,605,627,653,696,723,747,790,817,850
%N A049981 a(n)=number of arithmetic progressions of positive integers, strictly 
               increasing with sum <=n.
%Y A049981 Sequence in context: A098387 A135072 A038709 this_sequence A025705 A022792 
               A025697
%Y A049981 Adjacent sequences: A049978 A049979 A049980 this_sequence A049982 A049983 
               A049984
%K A049981 nonn
%O A049981 1,2
%A A049981 Clark Kimberling (ck6(AT)evansville.edu)