Number of binary strings u of any length with property that length(u) + number of 0's in u <= n (only one of a string and its reversal are counted).
A066067
Number of binary strings u of any length with property that length(u) + number of 0's in u <= n (only one of a string and its reversal are counted).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =6a(4) =10a(5) =18a(6) =29a(7) =49a(8) =78a(9) =128a(10) =203a(11) =329a(12) =523a(13) =844a(14) =1347a(15) =2172a(16) =3480a(17) =5614a(18) =9023a(19) =14567a(20) =23466a(21) =37910a(22) =61165a(23) =98865a(24) =159677a(25) =258190a(26) =417283a(27) =674890a(28) =1091214a(29) =1765146
External references
- oeis: A066067