Numbers with prime factorization pq^3r^6.

Terms

a(0) =8640a(1) =12096a(2) =19008a(3) =22464a(4) =24000a(5) =29160a(6) =29376a(7) =32832a(8) =39744a(9) =40824a(10) =50112a(11) =53568a(12) =56000a(13) =63936a(14) =64152a(15) =65856a(16) =70848a(17) =74304a(18) =75816a(19) =81216a(20) =88000a(21) =91584a(22) =99144a(23) =101952a(24) =104000a(25) =105408a(26) =109760a(27) =110808a(28) =115776a(29) =122688