Primitive abundant numbers (abundant numbers all of whose proper divisors are deficient numbers).

Terms

a(0) =20a(1) =70a(2) =88a(3) =104a(4) =272a(5) =304a(6) =368a(7) =464a(8) =550a(9) =572a(10) =650a(11) =748a(12) =836a(13) =945a(14) =1184a(15) =1312a(16) =1376a(17) =1430a(18) =1504a(19) =1575a(20) =1696a(21) =1870a(22) =1888a(23) =1952a(24) =2002a(25) =2090a(26) =2205a(27) =2210a(28) =2470a(29) =2530