a(n) = round(100*log_2(n)).

Terms

a(0) =0a(1) =100a(2) =158a(3) =200a(4) =232a(5) =258a(6) =281a(7) =300a(8) =317a(9) =332a(10) =346a(11) =358a(12) =370a(13) =381a(14) =391a(15) =400a(16) =409a(17) =417a(18) =425a(19) =432a(20) =439a(21) =446a(22) =452a(23) =458a(24) =464a(25) =470a(26) =475a(27) =481a(28) =486a(29) =491