For n>3: a(n) is a multiple of three distinct earlier terms.

Terms

a(0) =2a(1) =3a(2) =5a(3) =30a(4) =180a(5) =300a(6) =450a(7) =1080a(8) =1800a(9) =2700a(10) =3000a(11) =4500a(12) =6480a(13) =6750a(14) =10800a(15) =16200a(16) =18000a(17) =27000a(18) =30000a(19) =38880a(20) =40500a(21) =45000a(22) =64800a(23) =67500a(24) =97200a(25) =101250a(26) =108000a(27) =162000a(28) =180000a(29) =233280