Numbers of the form p^4*q^3*r where p, q, and r are distinct primes.

Terms

a(0) =2160a(1) =3024a(2) =3240a(3) =4536a(4) =4752a(5) =5616a(6) =6000a(7) =7128a(8) =7344a(9) =8208a(10) =8424a(11) =9936a(12) =11016a(13) =12312a(14) =12528a(15) =13392a(16) =14000a(17) =14904a(18) =15000a(19) =15984a(20) =16464a(21) =17712a(22) =18576a(23) =18792a(24) =20088a(25) =20250a(26) =20304a(27) =22000a(28) =22896a(29) =23976