Sum of the first n binary palindromes; a(n) = Sum_{k=1..n} A006995(k).

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =16a(5) =25a(6) =40a(7) =57a(8) =78a(9) =105a(10) =136a(11) =169a(12) =214a(13) =265a(14) =328a(15) =393a(16) =466a(17) =551a(18) =644a(19) =743a(20) =850a(21) =969a(22) =1096a(23) =1225a(24) =1378a(25) =1543a(26) =1732a(27) =1927a(28) =2146a(29) =2377