a(n) = smallest index i such that A010062(i) >= 2^n.

Terms

a(0) =0a(1) =1a(2) =3a(3) =5a(4) =8a(5) =14a(6) =22a(7) =40a(8) =71a(9) =126a(10) =224a(11) =397a(12) =721a(13) =1318a(14) =2431a(15) =4531a(16) =8493a(17) =15999a(18) =30234a(19) =57281a(20) =108744a(21) =206868a(22) =394293a(23) =752985a(24) =1440705a(25) =2761606a(26) =5302954a(27) =10200322a(28) =19652438a(29) =37921447