Odd numbers divisible by exactly 6 primes (counted with multiplicity).

Terms

a(0) =729a(1) =1215a(2) =1701a(3) =2025a(4) =2673a(5) =2835a(6) =3159a(7) =3375a(8) =3969a(9) =4131a(10) =4455a(11) =4617a(12) =4725a(13) =5265a(14) =5589a(15) =5625a(16) =6237a(17) =6615a(18) =6885a(19) =7047a(20) =7371a(21) =7425a(22) =7533a(23) =7695a(24) =7875a(25) =8775a(26) =8991a(27) =9261a(28) =9315a(29) =9375