Numbers k such that floor(k^(1/m)) divides k for all integers m >= 1.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =8a(6) =12a(7) =16a(8) =20a(9) =24a(10) =30a(11) =36a(12) =42a(13) =48a(14) =64a(15) =72a(16) =80a(17) =120a(18) =210a(19) =240a(20) =288a(21) =324a(22) =420a(23) =528a(24) =552a(25) =576a(26) =600a(27) =624a(28) =900a(29) =1260