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

Terms

a(0) =0a(1) =100a(2) =158a(3) =200a(4) =232a(5) =258a(6) =280a(7) =300a(8) =316a(9) =332a(10) =345a(11) =358a(12) =370a(13) =380a(14) =390a(15) =400a(16) =408a(17) =416a(18) =424a(19) =432a(20) =439a(21) =445a(22) =452a(23) =458a(24) =464a(25) =470a(26) =475a(27) =480a(28) =485a(29) =490