Sum of binary palindromes in the half-open interval [2^(n-1), 2^n).

Terms

a(0) =0a(1) =1a(2) =3a(3) =12a(4) =24a(5) =96a(6) =192a(7) =768a(8) =1536a(9) =6144a(10) =12288a(11) =49152a(12) =98304a(13) =393216a(14) =786432a(15) =3145728a(16) =6291456a(17) =25165824a(18) =50331648a(19) =201326592a(20) =402653184a(21) =1610612736a(22) =3221225472a(23) =12884901888a(24) =25769803776a(25) =103079215104a(26) =206158430208a(27) =824633720832