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

Terms

a(0) =0a(1) =69a(2) =109a(3) =138a(4) =160a(5) =179a(6) =194a(7) =207a(8) =219a(9) =230a(10) =239a(11) =248a(12) =256a(13) =263a(14) =270a(15) =277a(16) =283a(17) =289a(18) =294a(19) =299a(20) =304a(21) =309a(22) =313a(23) =317a(24) =321a(25) =325a(26) =329a(27) =333a(28) =336a(29) =340