Numbers k such that the numerator of Sum_{d|k} 1/d > 2k.
A069057
Numbers k such that the numerator of Sum_{d|k} 1/d > 2k.
Terms
- a(0) =36a(1) =100a(2) =144a(3) =324a(4) =392a(5) =400a(6) =576a(7) =784a(8) =800a(9) =900a(10) =968a(11) =1296a(12) =1352a(13) =1575a(14) =1600a(15) =1936a(16) =2304a(17) =2450a(18) =2500a(19) =2704a(20) =2916a(21) =3136a(22) =3600a(23) =3872a(24) =4356a(25) =4624a(26) =5184a(27) =5408a(28) =5776a(29) =6050
External references
- oeis: A069057