Powers k^m, m > 1, where k is neither squarefree nor squareful and is a product of primorials.

Terms

a(0) =144a(1) =576a(2) =1728a(3) =2304a(4) =3600a(5) =9216a(6) =13824a(7) =14400a(8) =20736a(9) =32400a(10) =36864a(11) =57600a(12) =110592a(13) =129600a(14) =147456a(15) =176400a(16) =216000a(17) =230400a(18) =248832a(19) =331776a(20) =518400a(21) =589824a(22) =705600a(23) =884736a(24) =921600a(25) =1166400a(26) =1587600a(27) =1728000a(28) =2073600a(29) =2359296