Number of binary words of length n with three times as many occurrences of subword 101 as occurrences of subword 010.

A307795

Number of binary words of length n with three times as many occurrences of subword 101 as occurrences of subword 010.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =6a(4) =10a(5) =16a(6) =26a(7) =42a(8) =70a(9) =116a(10) =196a(11) =332a(12) =572a(13) =996a(14) =1758a(15) =3134a(16) =5650a(17) =10276a(18) =18836a(19) =34720a(20) =64310a(21) =119582a(22) =223066a(23) =417028a(24) =780876a(25) =1463800a(26) =2746304a(27) =5155556a(28) =9682418a(29) =18189458

External references