Numbers with prime factorization pqrs^3t^3.

Terms

a(0) =83160a(1) =98280a(2) =128520a(3) =143640a(4) =154440a(5) =173880a(6) =201960a(7) =216216a(8) =219240a(9) =225720a(10) =231000a(11) =234360a(12) =238680a(13) =266760a(14) =273000a(15) =273240a(16) =279720a(17) =282744a(18) =309960a(19) =316008a(20) =322920a(21) =325080a(22) =334152a(23) =344520a(24) =348840a(25) =355320a(26) =357000a(27) =368280a(28) =373464a(29) =382536