Numbers with prime factorization p*q^2*r^2*s^3 (where p, q, r, s are distinct primes).

Terms

a(0) =12600a(1) =17640a(2) =18900a(3) =19800a(4) =23400a(5) =26460a(6) =29400a(7) =29700a(8) =30600a(9) =31500a(10) =34200a(11) =35100a(12) =38808a(13) =41400a(14) =43560a(15) =45864a(16) =45900a(17) =49500a(18) =51300a(19) =52200a(20) =55800a(21) =58212a(22) =58500a(23) =59976a(24) =60840a(25) =60984a(26) =61740a(27) =62100a(28) =65340a(29) =66150