Numbers k such that floor(sqrt(k)) divides k.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =8a(6) =9a(7) =12a(8) =15a(9) =16a(10) =20a(11) =24a(12) =25a(13) =30a(14) =35a(15) =36a(16) =42a(17) =48a(18) =49a(19) =56a(20) =63a(21) =64a(22) =72a(23) =80a(24) =81a(25) =90a(26) =99a(27) =100a(28) =110a(29) =120