Number of distinct means of nonempty subsets of {1,...,n}.

Terms

a(0) =1a(1) =3a(2) =5a(3) =9a(4) =15a(5) =25a(6) =37a(7) =55a(8) =77a(9) =105a(10) =137a(11) =179a(12) =225a(13) =283a(14) =347a(15) =419a(16) =499a(17) =595a(18) =697a(19) =817a(20) =945a(21) =1085a(22) =1235a(23) =1407a(24) =1587a(25) =1787a(26) =1999a(27) =2229a(28) =2471a(29) =2741