The integer k that minimizes |k/2^n - r|, where r = golden ratio.

Terms

a(0) =2a(1) =3a(2) =6a(3) =13a(4) =26a(5) =52a(6) =104a(7) =207a(8) =414a(9) =828a(10) =1657a(11) =3314a(12) =6627a(13) =13255a(14) =26510a(15) =53020a(16) =106039a(17) =212079a(18) =424158a(19) =848316a(20) =1696632a(21) =3393263a(22) =6786526a(23) =13573053a(24) =27146106a(25) =54292211a(26) =108584423a(27) =217168846a(28) =434337692a(29) =868675383