The integer k that minimizes |k/2^n - sqrt(1/5)|.

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =7a(5) =14a(6) =29a(7) =57a(8) =114a(9) =229a(10) =458a(11) =916a(12) =1832a(13) =3664a(14) =7327a(15) =14654a(16) =29309a(17) =58617a(18) =117234a(19) =234469a(20) =468937a(21) =937875a(22) =1875750a(23) =3751500a(24) =7502999a(25) =15005998a(26) =30011996a(27) =60023993a(28) =120047985a(29) =240095971