Numbers whose prime factors counted with multiplicity satisfy: (maximum) - (minimum) = (mean).

Terms

a(0) =20a(1) =60a(2) =180a(3) =189a(4) =400a(5) =540a(6) =1200a(7) =1372a(8) =1620a(9) =2541a(10) =2835a(11) =3185a(12) =3600a(13) =4860a(14) =5577a(15) =6860a(16) =8000a(17) =10800a(18) =14365a(19) =14580a(20) =16093a(21) =23465a(22) =24000a(23) =28812a(24) =32400a(25) =34300a(26) =34375a(27) =35721a(28) =40733a(29) =42525