Highly composite numbers of class 6 (see comment in A275239).

Terms

a(0) =17a(1) =22a(2) =45a(3) =64a(4) =66a(5) =112a(6) =126a(7) =280a(8) =468a(9) =624a(10) =630a(11) =1620a(12) =1890a(13) =2340a(14) =3696a(15) =4620a(16) =11340a(17) =14280a(18) =17640a(19) =28560a(20) =41580a(21) =81900a(22) =95040a(23) =95760a(24) =147840a(25) =176400a(26) =180180a(27) =294840a(28) =403200a(29) =411840