Numbers with prime factorization pqrstu^2.

Terms

a(0) =60060a(1) =78540a(2) =87780a(3) =90090a(4) =92820a(5) =103740a(6) =106260a(7) =117810a(8) =125580a(9) =131670a(10) =133980a(11) =135660a(12) =139230a(13) =143220a(14) =145860a(15) =150150a(16) =155610a(17) =158340a(18) =159390a(19) =163020a(20) =164220a(21) =169260a(22) =170940a(23) =183540a(24) =188370a(25) =189420a(26) =196350a(27) =197340a(28) =198660a(29) =200970