Numbers k such that card({x|sigma(x)=k}) > 1 and (Sum_{sigma(x)=k} x) < k.

Terms

a(0) =124a(1) =378a(2) =403a(3) =1904a(4) =3751a(5) =4064a(6) =5187a(7) =5456a(8) =6188a(9) =9296a(10) =9800a(11) =11532a(12) =12369a(13) =13664a(14) =14378a(15) =15210a(16) =16256a(17) =16352a(18) =17654a(19) =18018a(20) =18536a(21) =19110a(22) =19304a(23) =19376a(24) =20336a(25) =21450a(26) =22971a(27) =23240a(28) =23478a(29) =24056