Least positive integer k such that 1 + 1/2 + ... + 1/k > 2n/3.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =31a(6) =60a(7) =116a(8) =227a(9) =441a(10) =859a(11) =1674a(12) =3260a(13) =6349a(14) =12367a(15) =24088a(16) =46916a(17) =91380a(18) =177984a(19) =346666a(20) =675214a(21) =1315136a(22) =2561536a(23) =4989191a(24) =9717617a(25) =18927334a(26) =36865412