a(n) = floor(10000*log(n)).

Terms

a(0) =0a(1) =6931a(2) =10986a(3) =13862a(4) =16094a(5) =17917a(6) =19459a(7) =20794a(8) =21972a(9) =23025a(10) =23978a(11) =24849a(12) =25649a(13) =26390a(14) =27080a(15) =27725a(16) =28332a(17) =28903a(18) =29444a(19) =29957a(20) =30445a(21) =30910a(22) =31354a(23) =31780a(24) =32188a(25) =32580a(26) =32958a(27) =33322