Numbers whose base-4 representation has 2 more 0's than 3's.

Terms

a(0) =16a(1) =32a(2) =65a(3) =66a(4) =68a(5) =72a(6) =80a(7) =96a(8) =129a(9) =130a(10) =132a(11) =136a(12) =144a(13) =160a(14) =192a(15) =259a(16) =261a(17) =262a(18) =265a(19) =266a(20) =268a(21) =273a(22) =274a(23) =276a(24) =280a(25) =289a(26) =290a(27) =292a(28) =296a(29) =304