Numbers k satisfying |k + 1 - 2F| <= 1 for some positive Fibonacci number F.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =8a(8) =9a(9) =10a(10) =14a(11) =15a(12) =16a(13) =24a(14) =25a(15) =26a(16) =40a(17) =41a(18) =42a(19) =66a(20) =67a(21) =68a(22) =108a(23) =109a(24) =110a(25) =176a(26) =177a(27) =178a(28) =286a(29) =287