Numbers that have more cubefree divisors than any smaller number.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =30a(6) =36a(7) =60a(8) =180a(9) =420a(10) =900a(11) =1260a(12) =4620a(13) =6300a(14) =13860a(15) =44100a(16) =60060a(17) =69300a(18) =180180a(19) =485100a(20) =900900a(21) =3063060a(22) =6306300a(23) =15315300a(24) =58198140a(25) =107207100a(26) =290990700a(27) =1179278100a(28) =1338557220a(29) =2036934900