Powerful numbers that have more divisors than any smaller powerful number.

Terms

a(0) =1a(1) =4a(2) =8a(3) =16a(4) =32a(5) =36a(6) =72a(7) =144a(8) =216a(9) =288a(10) =432a(11) =576a(12) =864a(13) =900a(14) =1728a(15) =1800a(16) =3600a(17) =5400a(18) =7200a(19) =10800a(20) =14400a(21) =21600a(22) =32400a(23) =43200a(24) =64800a(25) =86400a(26) =88200a(27) =176400a(28) =264600a(29) =352800