Odd numbers of the form k * reverse(k) (where reverse(k) is the binary reversal of k, A030101(k)).

Terms

a(0) =1a(1) =9a(2) =25a(3) =49a(4) =81a(5) =143a(6) =225a(7) =289a(8) =441a(9) =475a(10) =667a(11) =729a(12) =961a(13) =1089a(14) =1517a(15) =1715a(16) =2025a(17) =2223a(18) =2279a(19) =2601a(20) =2867a(21) =3245a(22) =3969a(23) =4225a(24) =5329a(25) =5589a(26) =6499a(27) =6853a(28) =7225a(29) =7875