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

Terms

a(0) =88200a(1) =132300a(2) =217800a(3) =220500a(4) =304200a(5) =308700a(6) =326700a(7) =426888a(8) =456300a(9) =520200a(10) =544500a(11) =596232a(12) =640332a(13) =649800a(14) =760500a(15) =780300a(16) =894348a(17) =952200a(18) =974700a(19) =1019592a(20) =1185800a(21) =1197900a(22) =1273608a(23) =1300500a(24) =1428300a(25) =1472328a(26) =1494108a(27) =1513800