Numbers k whose sum of proper divisors (A001065(k)) exceeds that of all smaller numbers.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =8a(5) =10a(6) =12a(7) =18a(8) =20a(9) =24a(10) =30a(11) =36a(12) =48a(13) =60a(14) =72a(15) =84a(16) =90a(17) =96a(18) =108a(19) =120a(20) =144a(21) =168a(22) =180a(23) =216a(24) =240a(25) =288a(26) =300a(27) =336a(28) =360a(29) =420