Numbers in base 10 that are palindromic in bases 2, 4, 8, and 16.

Terms

a(0) =0a(1) =1a(2) =3a(3) =5a(4) =4095a(5) =4097a(6) =12291a(7) =20485a(8) =21845a(9) =16777215a(10) =16777217a(11) =16781313a(12) =50331651a(13) =50343939a(14) =83886085a(15) =83906565a(16) =89458005a(17) =89478485a(18) =68702703615a(19) =68719476735a(20) =68719476737a(21) =68736258049a(22) =206158430211a(23) =206208774147a(24) =343597383685a(25) =343602954245a(26) =343681290245