Squarefree primitive abundant numbers (first definition: having only deficient proper divisors).

Terms

a(0) =70a(1) =1430a(2) =1870a(3) =2002a(4) =2090a(5) =2210a(6) =2470a(7) =2530a(8) =2990a(9) =3190a(10) =3230a(11) =3410a(12) =3770a(13) =4030a(14) =4070a(15) =4510a(16) =4730a(17) =5170a(18) =5830a(19) =15015a(20) =19635a(21) =21945a(22) =23205a(23) =25935a(24) =26565a(25) =31395a(26) =33495a(27) =33915a(28) =35805a(29) =39585