3-smooth numbers 2^i*3^j where i and j are regular 3-smooth numbers.

Terms

a(0) =6a(1) =12a(2) =18a(3) =24a(4) =36a(5) =48a(6) =54a(7) =72a(8) =108a(9) =144a(10) =162a(11) =192a(12) =216a(13) =324a(14) =432a(15) =576a(16) =648a(17) =768a(18) =1296a(19) =1458a(20) =1536a(21) =1728a(22) =2304a(23) =2916a(24) =4608a(25) =5184a(26) =5832a(27) =6912a(28) =11664a(29) =12288