Numbers that are palindromic in base 2 as well as in base 10 (initial zeros may be prepended).

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =10a(11) =20a(12) =30a(13) =33a(14) =40a(15) =60a(16) =66a(17) =80a(18) =90a(19) =99a(20) =252a(21) =272a(22) =292a(23) =313a(24) =330a(25) =585a(26) =626a(27) =660a(28) =717a(29) =990